File: | tools/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 6497, column 18 Called C++ object pointer is null |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | |||
2 | // | |||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
4 | // See https://llvm.org/LICENSE.txt for license information. | |||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
6 | // | |||
7 | //===----------------------------------------------------------------------===// | |||
8 | /// \file | |||
9 | /// This file implements semantic analysis for OpenMP directives and | |||
10 | /// clauses. | |||
11 | /// | |||
12 | //===----------------------------------------------------------------------===// | |||
13 | ||||
14 | #include "TreeTransform.h" | |||
15 | #include "clang/AST/ASTContext.h" | |||
16 | #include "clang/AST/ASTMutationListener.h" | |||
17 | #include "clang/AST/CXXInheritance.h" | |||
18 | #include "clang/AST/Decl.h" | |||
19 | #include "clang/AST/DeclCXX.h" | |||
20 | #include "clang/AST/DeclOpenMP.h" | |||
21 | #include "clang/AST/StmtCXX.h" | |||
22 | #include "clang/AST/StmtOpenMP.h" | |||
23 | #include "clang/AST/StmtVisitor.h" | |||
24 | #include "clang/AST/TypeOrdering.h" | |||
25 | #include "clang/Basic/OpenMPKinds.h" | |||
26 | #include "clang/Sema/Initialization.h" | |||
27 | #include "clang/Sema/Lookup.h" | |||
28 | #include "clang/Sema/Scope.h" | |||
29 | #include "clang/Sema/ScopeInfo.h" | |||
30 | #include "clang/Sema/SemaInternal.h" | |||
31 | #include "llvm/ADT/PointerEmbeddedInt.h" | |||
32 | using namespace clang; | |||
33 | ||||
34 | //===----------------------------------------------------------------------===// | |||
35 | // Stack of data-sharing attributes for variables | |||
36 | //===----------------------------------------------------------------------===// | |||
37 | ||||
38 | static const Expr *checkMapClauseExpressionBase( | |||
39 | Sema &SemaRef, Expr *E, | |||
40 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
41 | OpenMPClauseKind CKind, bool NoDiagnose); | |||
42 | ||||
43 | namespace { | |||
44 | /// Default data sharing attributes, which can be applied to directive. | |||
45 | enum DefaultDataSharingAttributes { | |||
46 | DSA_unspecified = 0, /// Data sharing attribute not specified. | |||
47 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. | |||
48 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. | |||
49 | }; | |||
50 | ||||
51 | /// Attributes of the defaultmap clause. | |||
52 | enum DefaultMapAttributes { | |||
53 | DMA_unspecified, /// Default mapping is not specified. | |||
54 | DMA_tofrom_scalar, /// Default mapping is 'tofrom:scalar'. | |||
55 | }; | |||
56 | ||||
57 | /// Stack for tracking declarations used in OpenMP directives and | |||
58 | /// clauses and their data-sharing attributes. | |||
59 | class DSAStackTy { | |||
60 | public: | |||
61 | struct DSAVarData { | |||
62 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
63 | OpenMPClauseKind CKind = OMPC_unknown; | |||
64 | const Expr *RefExpr = nullptr; | |||
65 | DeclRefExpr *PrivateCopy = nullptr; | |||
66 | SourceLocation ImplicitDSALoc; | |||
67 | DSAVarData() = default; | |||
68 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | |||
69 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, | |||
70 | SourceLocation ImplicitDSALoc) | |||
71 | : DKind(DKind), CKind(CKind), RefExpr(RefExpr), | |||
72 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc) {} | |||
73 | }; | |||
74 | using OperatorOffsetTy = | |||
75 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; | |||
76 | using DoacrossDependMapTy = | |||
77 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; | |||
78 | ||||
79 | private: | |||
80 | struct DSAInfo { | |||
81 | OpenMPClauseKind Attributes = OMPC_unknown; | |||
82 | /// Pointer to a reference expression and a flag which shows that the | |||
83 | /// variable is marked as lastprivate(true) or not (false). | |||
84 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; | |||
85 | DeclRefExpr *PrivateCopy = nullptr; | |||
86 | }; | |||
87 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; | |||
88 | using AlignedMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; | |||
89 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; | |||
90 | using LoopControlVariablesMapTy = | |||
91 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; | |||
92 | /// Struct that associates a component with the clause kind where they are | |||
93 | /// found. | |||
94 | struct MappedExprComponentTy { | |||
95 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | |||
96 | OpenMPClauseKind Kind = OMPC_unknown; | |||
97 | }; | |||
98 | using MappedExprComponentsTy = | |||
99 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; | |||
100 | using CriticalsWithHintsTy = | |||
101 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; | |||
102 | struct ReductionData { | |||
103 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; | |||
104 | SourceRange ReductionRange; | |||
105 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | |||
106 | ReductionData() = default; | |||
107 | void set(BinaryOperatorKind BO, SourceRange RR) { | |||
108 | ReductionRange = RR; | |||
109 | ReductionOp = BO; | |||
110 | } | |||
111 | void set(const Expr *RefExpr, SourceRange RR) { | |||
112 | ReductionRange = RR; | |||
113 | ReductionOp = RefExpr; | |||
114 | } | |||
115 | }; | |||
116 | using DeclReductionMapTy = | |||
117 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; | |||
118 | ||||
119 | struct SharingMapTy { | |||
120 | DeclSAMapTy SharingMap; | |||
121 | DeclReductionMapTy ReductionMap; | |||
122 | AlignedMapTy AlignedMap; | |||
123 | MappedExprComponentsTy MappedExprComponents; | |||
124 | LoopControlVariablesMapTy LCVMap; | |||
125 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | |||
126 | SourceLocation DefaultAttrLoc; | |||
127 | DefaultMapAttributes DefaultMapAttr = DMA_unspecified; | |||
128 | SourceLocation DefaultMapAttrLoc; | |||
129 | OpenMPDirectiveKind Directive = OMPD_unknown; | |||
130 | DeclarationNameInfo DirectiveName; | |||
131 | Scope *CurScope = nullptr; | |||
132 | SourceLocation ConstructLoc; | |||
133 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | |||
134 | /// get the data (loop counters etc.) about enclosing loop-based construct. | |||
135 | /// This data is required during codegen. | |||
136 | DoacrossDependMapTy DoacrossDepends; | |||
137 | /// First argument (Expr *) contains optional argument of the | |||
138 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | |||
139 | /// clause, false otherwise. | |||
140 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; | |||
141 | unsigned AssociatedLoops = 1; | |||
142 | bool HasMutipleLoops = false; | |||
143 | const Decl *PossiblyLoopCounter = nullptr; | |||
144 | bool NowaitRegion = false; | |||
145 | bool CancelRegion = false; | |||
146 | bool LoopStart = false; | |||
147 | bool BodyComplete = false; | |||
148 | SourceLocation InnerTeamsRegionLoc; | |||
149 | /// Reference to the taskgroup task_reduction reference expression. | |||
150 | Expr *TaskgroupReductionRef = nullptr; | |||
151 | llvm::DenseSet<QualType> MappedClassesQualTypes; | |||
152 | /// List of globals marked as declare target link in this target region | |||
153 | /// (isOpenMPTargetExecutionDirective(Directive) == true). | |||
154 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; | |||
155 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | |||
156 | Scope *CurScope, SourceLocation Loc) | |||
157 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | |||
158 | ConstructLoc(Loc) {} | |||
159 | SharingMapTy() = default; | |||
160 | }; | |||
161 | ||||
162 | using StackTy = SmallVector<SharingMapTy, 4>; | |||
163 | ||||
164 | /// Stack of used declaration and their data-sharing attributes. | |||
165 | DeclSAMapTy Threadprivates; | |||
166 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | |||
167 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | |||
168 | /// true, if check for DSA must be from parent directive, false, if | |||
169 | /// from current directive. | |||
170 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | |||
171 | Sema &SemaRef; | |||
172 | bool ForceCapturing = false; | |||
173 | /// true if all the variables in the target executable directives must be | |||
174 | /// captured by reference. | |||
175 | bool ForceCaptureByReferenceInTargetExecutable = false; | |||
176 | CriticalsWithHintsTy Criticals; | |||
177 | unsigned IgnoredStackElements = 0; | |||
178 | ||||
179 | /// Iterators over the stack iterate in order from innermost to outermost | |||
180 | /// directive. | |||
181 | using const_iterator = StackTy::const_reverse_iterator; | |||
182 | const_iterator begin() const { | |||
183 | return Stack.empty() ? const_iterator() | |||
184 | : Stack.back().first.rbegin() + IgnoredStackElements; | |||
185 | } | |||
186 | const_iterator end() const { | |||
187 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); | |||
188 | } | |||
189 | using iterator = StackTy::reverse_iterator; | |||
190 | iterator begin() { | |||
191 | return Stack.empty() ? iterator() | |||
192 | : Stack.back().first.rbegin() + IgnoredStackElements; | |||
193 | } | |||
194 | iterator end() { | |||
195 | return Stack.empty() ? iterator() : Stack.back().first.rend(); | |||
196 | } | |||
197 | ||||
198 | // Convenience operations to get at the elements of the stack. | |||
199 | ||||
200 | bool isStackEmpty() const { | |||
201 | return Stack.empty() || | |||
202 | Stack.back().second != CurrentNonCapturingFunctionScope || | |||
203 | Stack.back().first.size() <= IgnoredStackElements; | |||
204 | } | |||
205 | size_t getStackSize() const { | |||
206 | return isStackEmpty() ? 0 | |||
207 | : Stack.back().first.size() - IgnoredStackElements; | |||
208 | } | |||
209 | ||||
210 | SharingMapTy *getTopOfStackOrNull() { | |||
211 | size_t Size = getStackSize(); | |||
212 | if (Size == 0) | |||
213 | return nullptr; | |||
214 | return &Stack.back().first[Size - 1]; | |||
215 | } | |||
216 | const SharingMapTy *getTopOfStackOrNull() const { | |||
217 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); | |||
218 | } | |||
219 | SharingMapTy &getTopOfStack() { | |||
220 | assert(!isStackEmpty() && "no current directive")((!isStackEmpty() && "no current directive") ? static_cast <void> (0) : __assert_fail ("!isStackEmpty() && \"no current directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 220, __PRETTY_FUNCTION__)); | |||
221 | return *getTopOfStackOrNull(); | |||
222 | } | |||
223 | const SharingMapTy &getTopOfStack() const { | |||
224 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); | |||
225 | } | |||
226 | ||||
227 | SharingMapTy *getSecondOnStackOrNull() { | |||
228 | size_t Size = getStackSize(); | |||
229 | if (Size <= 1) | |||
230 | return nullptr; | |||
231 | return &Stack.back().first[Size - 2]; | |||
232 | } | |||
233 | const SharingMapTy *getSecondOnStackOrNull() const { | |||
234 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); | |||
235 | } | |||
236 | ||||
237 | /// Get the stack element at a certain level (previously returned by | |||
238 | /// \c getNestingLevel). | |||
239 | /// | |||
240 | /// Note that nesting levels count from outermost to innermost, and this is | |||
241 | /// the reverse of our iteration order where new inner levels are pushed at | |||
242 | /// the front of the stack. | |||
243 | SharingMapTy &getStackElemAtLevel(unsigned Level) { | |||
244 | assert(Level < getStackSize() && "no such stack element")((Level < getStackSize() && "no such stack element" ) ? static_cast<void> (0) : __assert_fail ("Level < getStackSize() && \"no such stack element\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 244, __PRETTY_FUNCTION__)); | |||
245 | return Stack.back().first[Level]; | |||
246 | } | |||
247 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { | |||
248 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); | |||
249 | } | |||
250 | ||||
251 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; | |||
252 | ||||
253 | /// Checks if the variable is a local for OpenMP region. | |||
254 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; | |||
255 | ||||
256 | /// Vector of previously declared requires directives | |||
257 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; | |||
258 | /// omp_allocator_handle_t type. | |||
259 | QualType OMPAllocatorHandleT; | |||
260 | /// Expression for the predefined allocators. | |||
261 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { | |||
262 | nullptr}; | |||
263 | /// Vector of previously encountered target directives | |||
264 | SmallVector<SourceLocation, 2> TargetLocations; | |||
265 | ||||
266 | public: | |||
267 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | |||
268 | ||||
269 | /// Sets omp_allocator_handle_t type. | |||
270 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } | |||
271 | /// Gets omp_allocator_handle_t type. | |||
272 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } | |||
273 | /// Sets the given default allocator. | |||
274 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | |||
275 | Expr *Allocator) { | |||
276 | OMPPredefinedAllocators[AllocatorKind] = Allocator; | |||
277 | } | |||
278 | /// Returns the specified default allocator. | |||
279 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { | |||
280 | return OMPPredefinedAllocators[AllocatorKind]; | |||
281 | } | |||
282 | ||||
283 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | |||
284 | OpenMPClauseKind getClauseParsingMode() const { | |||
285 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")((isClauseParsingMode() && "Must be in clause parsing mode." ) ? static_cast<void> (0) : __assert_fail ("isClauseParsingMode() && \"Must be in clause parsing mode.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 285, __PRETTY_FUNCTION__)); | |||
286 | return ClauseKindMode; | |||
287 | } | |||
288 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | |||
289 | ||||
290 | bool isBodyComplete() const { | |||
291 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
292 | return Top && Top->BodyComplete; | |||
293 | } | |||
294 | void setBodyComplete() { | |||
295 | getTopOfStack().BodyComplete = true; | |||
296 | } | |||
297 | ||||
298 | bool isForceVarCapturing() const { return ForceCapturing; } | |||
299 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | |||
300 | ||||
301 | void setForceCaptureByReferenceInTargetExecutable(bool V) { | |||
302 | ForceCaptureByReferenceInTargetExecutable = V; | |||
303 | } | |||
304 | bool isForceCaptureByReferenceInTargetExecutable() const { | |||
305 | return ForceCaptureByReferenceInTargetExecutable; | |||
306 | } | |||
307 | ||||
308 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | |||
309 | Scope *CurScope, SourceLocation Loc) { | |||
310 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 311, __PRETTY_FUNCTION__)) | |||
311 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 311, __PRETTY_FUNCTION__)); | |||
312 | if (Stack.empty() || | |||
313 | Stack.back().second != CurrentNonCapturingFunctionScope) | |||
314 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | |||
315 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | |||
316 | Stack.back().first.back().DefaultAttrLoc = Loc; | |||
317 | } | |||
318 | ||||
319 | void pop() { | |||
320 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 321, __PRETTY_FUNCTION__)) | |||
321 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 321, __PRETTY_FUNCTION__)); | |||
322 | assert(!Stack.back().first.empty() &&((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 323, __PRETTY_FUNCTION__)) | |||
323 | "Data-sharing attributes stack is empty!")((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 323, __PRETTY_FUNCTION__)); | |||
324 | Stack.back().first.pop_back(); | |||
325 | } | |||
326 | ||||
327 | /// RAII object to temporarily leave the scope of a directive when we want to | |||
328 | /// logically operate in its parent. | |||
329 | class ParentDirectiveScope { | |||
330 | DSAStackTy &Self; | |||
331 | bool Active; | |||
332 | public: | |||
333 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) | |||
334 | : Self(Self), Active(false) { | |||
335 | if (Activate) | |||
336 | enable(); | |||
337 | } | |||
338 | ~ParentDirectiveScope() { disable(); } | |||
339 | void disable() { | |||
340 | if (Active) { | |||
341 | --Self.IgnoredStackElements; | |||
342 | Active = false; | |||
343 | } | |||
344 | } | |||
345 | void enable() { | |||
346 | if (!Active) { | |||
347 | ++Self.IgnoredStackElements; | |||
348 | Active = true; | |||
349 | } | |||
350 | } | |||
351 | }; | |||
352 | ||||
353 | /// Marks that we're started loop parsing. | |||
354 | void loopInit() { | |||
355 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 356, __PRETTY_FUNCTION__)) | |||
356 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 356, __PRETTY_FUNCTION__)); | |||
357 | getTopOfStack().LoopStart = true; | |||
358 | } | |||
359 | /// Start capturing of the variables in the loop context. | |||
360 | void loopStart() { | |||
361 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 362, __PRETTY_FUNCTION__)) | |||
362 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 362, __PRETTY_FUNCTION__)); | |||
363 | getTopOfStack().LoopStart = false; | |||
364 | } | |||
365 | /// true, if variables are captured, false otherwise. | |||
366 | bool isLoopStarted() const { | |||
367 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 368, __PRETTY_FUNCTION__)) | |||
368 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 368, __PRETTY_FUNCTION__)); | |||
369 | return !getTopOfStack().LoopStart; | |||
370 | } | |||
371 | /// Marks (or clears) declaration as possibly loop counter. | |||
372 | void resetPossibleLoopCounter(const Decl *D = nullptr) { | |||
373 | getTopOfStack().PossiblyLoopCounter = | |||
374 | D ? D->getCanonicalDecl() : D; | |||
375 | } | |||
376 | /// Gets the possible loop counter decl. | |||
377 | const Decl *getPossiblyLoopCunter() const { | |||
378 | return getTopOfStack().PossiblyLoopCounter; | |||
379 | } | |||
380 | /// Start new OpenMP region stack in new non-capturing function. | |||
381 | void pushFunction() { | |||
382 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 383, __PRETTY_FUNCTION__)) | |||
383 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 383, __PRETTY_FUNCTION__)); | |||
384 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | |||
385 | assert(!isa<CapturingScopeInfo>(CurFnScope))((!isa<CapturingScopeInfo>(CurFnScope)) ? static_cast< void> (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 385, __PRETTY_FUNCTION__)); | |||
386 | CurrentNonCapturingFunctionScope = CurFnScope; | |||
387 | } | |||
388 | /// Pop region stack for non-capturing function. | |||
389 | void popFunction(const FunctionScopeInfo *OldFSI) { | |||
390 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 391, __PRETTY_FUNCTION__)) | |||
391 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 391, __PRETTY_FUNCTION__)); | |||
392 | if (!Stack.empty() && Stack.back().second == OldFSI) { | |||
393 | assert(Stack.back().first.empty())((Stack.back().first.empty()) ? static_cast<void> (0) : __assert_fail ("Stack.back().first.empty()", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 393, __PRETTY_FUNCTION__)); | |||
394 | Stack.pop_back(); | |||
395 | } | |||
396 | CurrentNonCapturingFunctionScope = nullptr; | |||
397 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | |||
398 | if (!isa<CapturingScopeInfo>(FSI)) { | |||
399 | CurrentNonCapturingFunctionScope = FSI; | |||
400 | break; | |||
401 | } | |||
402 | } | |||
403 | } | |||
404 | ||||
405 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { | |||
406 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); | |||
407 | } | |||
408 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> | |||
409 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | |||
410 | auto I = Criticals.find(Name.getAsString()); | |||
411 | if (I != Criticals.end()) | |||
412 | return I->second; | |||
413 | return std::make_pair(nullptr, llvm::APSInt()); | |||
414 | } | |||
415 | /// If 'aligned' declaration for given variable \a D was not seen yet, | |||
416 | /// add it and return NULL; otherwise return previous occurrence's expression | |||
417 | /// for diagnostics. | |||
418 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); | |||
419 | ||||
420 | /// Register specified variable as loop control variable. | |||
421 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); | |||
422 | /// Check if the specified variable is a loop control variable for | |||
423 | /// current region. | |||
424 | /// \return The index of the loop control variable in the list of associated | |||
425 | /// for-loops (from outer to inner). | |||
426 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; | |||
427 | /// Check if the specified variable is a loop control variable for | |||
428 | /// parent region. | |||
429 | /// \return The index of the loop control variable in the list of associated | |||
430 | /// for-loops (from outer to inner). | |||
431 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; | |||
432 | /// Get the loop control variable for the I-th loop (or nullptr) in | |||
433 | /// parent directive. | |||
434 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; | |||
435 | ||||
436 | /// Adds explicit data sharing attribute to the specified declaration. | |||
437 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | |||
438 | DeclRefExpr *PrivateCopy = nullptr); | |||
439 | ||||
440 | /// Adds additional information for the reduction items with the reduction id | |||
441 | /// represented as an operator. | |||
442 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
443 | BinaryOperatorKind BOK); | |||
444 | /// Adds additional information for the reduction items with the reduction id | |||
445 | /// represented as reduction identifier. | |||
446 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
447 | const Expr *ReductionRef); | |||
448 | /// Returns the location and reduction operation from the innermost parent | |||
449 | /// region for the given \p D. | |||
450 | const DSAVarData | |||
451 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | |||
452 | BinaryOperatorKind &BOK, | |||
453 | Expr *&TaskgroupDescriptor) const; | |||
454 | /// Returns the location and reduction operation from the innermost parent | |||
455 | /// region for the given \p D. | |||
456 | const DSAVarData | |||
457 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | |||
458 | const Expr *&ReductionRef, | |||
459 | Expr *&TaskgroupDescriptor) const; | |||
460 | /// Return reduction reference expression for the current taskgroup. | |||
461 | Expr *getTaskgroupReductionRef() const { | |||
462 | assert(getTopOfStack().Directive == OMPD_taskgroup &&((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 464, __PRETTY_FUNCTION__)) | |||
463 | "taskgroup reference expression requested for non taskgroup "((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 464, __PRETTY_FUNCTION__)) | |||
464 | "directive.")((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 464, __PRETTY_FUNCTION__)); | |||
465 | return getTopOfStack().TaskgroupReductionRef; | |||
466 | } | |||
467 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | |||
468 | /// descriptor variable at the \p Level of OpenMP regions. | |||
469 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { | |||
470 | return getStackElemAtLevel(Level).TaskgroupReductionRef && | |||
471 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) | |||
472 | ->getDecl() == VD; | |||
473 | } | |||
474 | ||||
475 | /// Returns data sharing attributes from top of the stack for the | |||
476 | /// specified declaration. | |||
477 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | |||
478 | /// Returns data-sharing attributes for the specified declaration. | |||
479 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; | |||
480 | /// Checks if the specified variables has data-sharing attributes which | |||
481 | /// match specified \a CPred predicate in any directive which matches \a DPred | |||
482 | /// predicate. | |||
483 | const DSAVarData | |||
484 | hasDSA(ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
485 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
486 | bool FromParent) const; | |||
487 | /// Checks if the specified variables has data-sharing attributes which | |||
488 | /// match specified \a CPred predicate in any innermost directive which | |||
489 | /// matches \a DPred predicate. | |||
490 | const DSAVarData | |||
491 | hasInnermostDSA(ValueDecl *D, | |||
492 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
493 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
494 | bool FromParent) const; | |||
495 | /// Checks if the specified variables has explicit data-sharing | |||
496 | /// attributes which match specified \a CPred predicate at the specified | |||
497 | /// OpenMP region. | |||
498 | bool hasExplicitDSA(const ValueDecl *D, | |||
499 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
500 | unsigned Level, bool NotLastprivate = false) const; | |||
501 | ||||
502 | /// Returns true if the directive at level \Level matches in the | |||
503 | /// specified \a DPred predicate. | |||
504 | bool hasExplicitDirective( | |||
505 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
506 | unsigned Level) const; | |||
507 | ||||
508 | /// Finds a directive which matches specified \a DPred predicate. | |||
509 | bool hasDirective( | |||
510 | const llvm::function_ref<bool( | |||
511 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> | |||
512 | DPred, | |||
513 | bool FromParent) const; | |||
514 | ||||
515 | /// Returns currently analyzed directive. | |||
516 | OpenMPDirectiveKind getCurrentDirective() const { | |||
517 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
518 | return Top ? Top->Directive : OMPD_unknown; | |||
519 | } | |||
520 | /// Returns directive kind at specified level. | |||
521 | OpenMPDirectiveKind getDirective(unsigned Level) const { | |||
522 | assert(!isStackEmpty() && "No directive at specified level.")((!isStackEmpty() && "No directive at specified level." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"No directive at specified level.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 522, __PRETTY_FUNCTION__)); | |||
523 | return getStackElemAtLevel(Level).Directive; | |||
524 | } | |||
525 | /// Returns the capture region at the specified level. | |||
526 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, | |||
527 | unsigned OpenMPCaptureLevel) const { | |||
528 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
529 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); | |||
530 | return CaptureRegions[OpenMPCaptureLevel]; | |||
531 | } | |||
532 | /// Returns parent directive. | |||
533 | OpenMPDirectiveKind getParentDirective() const { | |||
534 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
535 | return Parent ? Parent->Directive : OMPD_unknown; | |||
536 | } | |||
537 | ||||
538 | /// Add requires decl to internal vector | |||
539 | void addRequiresDecl(OMPRequiresDecl *RD) { | |||
540 | RequiresDecls.push_back(RD); | |||
541 | } | |||
542 | ||||
543 | /// Checks if the defined 'requires' directive has specified type of clause. | |||
544 | template <typename ClauseType> | |||
545 | bool hasRequiresDeclWithClause() { | |||
546 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { | |||
547 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { | |||
548 | return isa<ClauseType>(C); | |||
549 | }); | |||
550 | }); | |||
551 | } | |||
552 | ||||
553 | /// Checks for a duplicate clause amongst previously declared requires | |||
554 | /// directives | |||
555 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { | |||
556 | bool IsDuplicate = false; | |||
557 | for (OMPClause *CNew : ClauseList) { | |||
558 | for (const OMPRequiresDecl *D : RequiresDecls) { | |||
559 | for (const OMPClause *CPrev : D->clauselists()) { | |||
560 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { | |||
561 | SemaRef.Diag(CNew->getBeginLoc(), | |||
562 | diag::err_omp_requires_clause_redeclaration) | |||
563 | << getOpenMPClauseName(CNew->getClauseKind()); | |||
564 | SemaRef.Diag(CPrev->getBeginLoc(), | |||
565 | diag::note_omp_requires_previous_clause) | |||
566 | << getOpenMPClauseName(CPrev->getClauseKind()); | |||
567 | IsDuplicate = true; | |||
568 | } | |||
569 | } | |||
570 | } | |||
571 | } | |||
572 | return IsDuplicate; | |||
573 | } | |||
574 | ||||
575 | /// Add location of previously encountered target to internal vector | |||
576 | void addTargetDirLocation(SourceLocation LocStart) { | |||
577 | TargetLocations.push_back(LocStart); | |||
578 | } | |||
579 | ||||
580 | // Return previously encountered target region locations. | |||
581 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { | |||
582 | return TargetLocations; | |||
583 | } | |||
584 | ||||
585 | /// Set default data sharing attribute to none. | |||
586 | void setDefaultDSANone(SourceLocation Loc) { | |||
587 | getTopOfStack().DefaultAttr = DSA_none; | |||
588 | getTopOfStack().DefaultAttrLoc = Loc; | |||
589 | } | |||
590 | /// Set default data sharing attribute to shared. | |||
591 | void setDefaultDSAShared(SourceLocation Loc) { | |||
592 | getTopOfStack().DefaultAttr = DSA_shared; | |||
593 | getTopOfStack().DefaultAttrLoc = Loc; | |||
594 | } | |||
595 | /// Set default data mapping attribute to 'tofrom:scalar'. | |||
596 | void setDefaultDMAToFromScalar(SourceLocation Loc) { | |||
597 | getTopOfStack().DefaultMapAttr = DMA_tofrom_scalar; | |||
598 | getTopOfStack().DefaultMapAttrLoc = Loc; | |||
599 | } | |||
600 | ||||
601 | DefaultDataSharingAttributes getDefaultDSA() const { | |||
602 | return isStackEmpty() ? DSA_unspecified | |||
603 | : getTopOfStack().DefaultAttr; | |||
604 | } | |||
605 | SourceLocation getDefaultDSALocation() const { | |||
606 | return isStackEmpty() ? SourceLocation() | |||
607 | : getTopOfStack().DefaultAttrLoc; | |||
608 | } | |||
609 | DefaultMapAttributes getDefaultDMA() const { | |||
610 | return isStackEmpty() ? DMA_unspecified | |||
611 | : getTopOfStack().DefaultMapAttr; | |||
612 | } | |||
613 | DefaultMapAttributes getDefaultDMAAtLevel(unsigned Level) const { | |||
614 | return getStackElemAtLevel(Level).DefaultMapAttr; | |||
615 | } | |||
616 | SourceLocation getDefaultDMALocation() const { | |||
617 | return isStackEmpty() ? SourceLocation() | |||
618 | : getTopOfStack().DefaultMapAttrLoc; | |||
619 | } | |||
620 | ||||
621 | /// Checks if the specified variable is a threadprivate. | |||
622 | bool isThreadPrivate(VarDecl *D) { | |||
623 | const DSAVarData DVar = getTopDSA(D, false); | |||
624 | return isOpenMPThreadPrivate(DVar.CKind); | |||
625 | } | |||
626 | ||||
627 | /// Marks current region as ordered (it has an 'ordered' clause). | |||
628 | void setOrderedRegion(bool IsOrdered, const Expr *Param, | |||
629 | OMPOrderedClause *Clause) { | |||
630 | if (IsOrdered) | |||
631 | getTopOfStack().OrderedRegion.emplace(Param, Clause); | |||
632 | else | |||
633 | getTopOfStack().OrderedRegion.reset(); | |||
634 | } | |||
635 | /// Returns true, if region is ordered (has associated 'ordered' clause), | |||
636 | /// false - otherwise. | |||
637 | bool isOrderedRegion() const { | |||
638 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | |||
639 | return Top->OrderedRegion.hasValue(); | |||
640 | return false; | |||
641 | } | |||
642 | /// Returns optional parameter for the ordered region. | |||
643 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { | |||
644 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | |||
645 | if (Top->OrderedRegion.hasValue()) | |||
646 | return Top->OrderedRegion.getValue(); | |||
647 | return std::make_pair(nullptr, nullptr); | |||
648 | } | |||
649 | /// Returns true, if parent region is ordered (has associated | |||
650 | /// 'ordered' clause), false - otherwise. | |||
651 | bool isParentOrderedRegion() const { | |||
652 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
653 | return Parent->OrderedRegion.hasValue(); | |||
654 | return false; | |||
655 | } | |||
656 | /// Returns optional parameter for the ordered region. | |||
657 | std::pair<const Expr *, OMPOrderedClause *> | |||
658 | getParentOrderedRegionParam() const { | |||
659 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
660 | if (Parent->OrderedRegion.hasValue()) | |||
661 | return Parent->OrderedRegion.getValue(); | |||
662 | return std::make_pair(nullptr, nullptr); | |||
663 | } | |||
664 | /// Marks current region as nowait (it has a 'nowait' clause). | |||
665 | void setNowaitRegion(bool IsNowait = true) { | |||
666 | getTopOfStack().NowaitRegion = IsNowait; | |||
667 | } | |||
668 | /// Returns true, if parent region is nowait (has associated | |||
669 | /// 'nowait' clause), false - otherwise. | |||
670 | bool isParentNowaitRegion() const { | |||
671 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
672 | return Parent->NowaitRegion; | |||
673 | return false; | |||
674 | } | |||
675 | /// Marks parent region as cancel region. | |||
676 | void setParentCancelRegion(bool Cancel = true) { | |||
677 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
678 | Parent->CancelRegion |= Cancel; | |||
679 | } | |||
680 | /// Return true if current region has inner cancel construct. | |||
681 | bool isCancelRegion() const { | |||
682 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
683 | return Top ? Top->CancelRegion : false; | |||
684 | } | |||
685 | ||||
686 | /// Set collapse value for the region. | |||
687 | void setAssociatedLoops(unsigned Val) { | |||
688 | getTopOfStack().AssociatedLoops = Val; | |||
689 | if (Val > 1) | |||
690 | getTopOfStack().HasMutipleLoops = true; | |||
691 | } | |||
692 | /// Return collapse value for region. | |||
693 | unsigned getAssociatedLoops() const { | |||
694 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
695 | return Top ? Top->AssociatedLoops : 0; | |||
696 | } | |||
697 | /// Returns true if the construct is associated with multiple loops. | |||
698 | bool hasMutipleLoops() const { | |||
699 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
700 | return Top ? Top->HasMutipleLoops : false; | |||
701 | } | |||
702 | ||||
703 | /// Marks current target region as one with closely nested teams | |||
704 | /// region. | |||
705 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | |||
706 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
707 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; | |||
708 | } | |||
709 | /// Returns true, if current region has closely nested teams region. | |||
710 | bool hasInnerTeamsRegion() const { | |||
711 | return getInnerTeamsRegionLoc().isValid(); | |||
712 | } | |||
713 | /// Returns location of the nested teams region (if any). | |||
714 | SourceLocation getInnerTeamsRegionLoc() const { | |||
715 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
716 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); | |||
717 | } | |||
718 | ||||
719 | Scope *getCurScope() const { | |||
720 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
721 | return Top ? Top->CurScope : nullptr; | |||
722 | } | |||
723 | SourceLocation getConstructLoc() const { | |||
724 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
725 | return Top ? Top->ConstructLoc : SourceLocation(); | |||
726 | } | |||
727 | ||||
728 | /// Do the check specified in \a Check to all component lists and return true | |||
729 | /// if any issue is found. | |||
730 | bool checkMappableExprComponentListsForDecl( | |||
731 | const ValueDecl *VD, bool CurrentRegionOnly, | |||
732 | const llvm::function_ref< | |||
733 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
734 | OpenMPClauseKind)> | |||
735 | Check) const { | |||
736 | if (isStackEmpty()) | |||
737 | return false; | |||
738 | auto SI = begin(); | |||
739 | auto SE = end(); | |||
740 | ||||
741 | if (SI == SE) | |||
742 | return false; | |||
743 | ||||
744 | if (CurrentRegionOnly) | |||
745 | SE = std::next(SI); | |||
746 | else | |||
747 | std::advance(SI, 1); | |||
748 | ||||
749 | for (; SI != SE; ++SI) { | |||
750 | auto MI = SI->MappedExprComponents.find(VD); | |||
751 | if (MI != SI->MappedExprComponents.end()) | |||
752 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | |||
753 | MI->second.Components) | |||
754 | if (Check(L, MI->second.Kind)) | |||
755 | return true; | |||
756 | } | |||
757 | return false; | |||
758 | } | |||
759 | ||||
760 | /// Do the check specified in \a Check to all component lists at a given level | |||
761 | /// and return true if any issue is found. | |||
762 | bool checkMappableExprComponentListsForDeclAtLevel( | |||
763 | const ValueDecl *VD, unsigned Level, | |||
764 | const llvm::function_ref< | |||
765 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
766 | OpenMPClauseKind)> | |||
767 | Check) const { | |||
768 | if (getStackSize() <= Level) | |||
769 | return false; | |||
770 | ||||
771 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
772 | auto MI = StackElem.MappedExprComponents.find(VD); | |||
773 | if (MI != StackElem.MappedExprComponents.end()) | |||
774 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | |||
775 | MI->second.Components) | |||
776 | if (Check(L, MI->second.Kind)) | |||
777 | return true; | |||
778 | return false; | |||
779 | } | |||
780 | ||||
781 | /// Create a new mappable expression component list associated with a given | |||
782 | /// declaration and initialize it with the provided list of components. | |||
783 | void addMappableExpressionComponents( | |||
784 | const ValueDecl *VD, | |||
785 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
786 | OpenMPClauseKind WhereFoundClauseKind) { | |||
787 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; | |||
788 | // Create new entry and append the new components there. | |||
789 | MEC.Components.resize(MEC.Components.size() + 1); | |||
790 | MEC.Components.back().append(Components.begin(), Components.end()); | |||
791 | MEC.Kind = WhereFoundClauseKind; | |||
792 | } | |||
793 | ||||
794 | unsigned getNestingLevel() const { | |||
795 | assert(!isStackEmpty())((!isStackEmpty()) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 795, __PRETTY_FUNCTION__)); | |||
796 | return getStackSize() - 1; | |||
797 | } | |||
798 | void addDoacrossDependClause(OMPDependClause *C, | |||
799 | const OperatorOffsetTy &OpsOffs) { | |||
800 | SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
801 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))((Parent && isOpenMPWorksharingDirective(Parent->Directive )) ? static_cast<void> (0) : __assert_fail ("Parent && isOpenMPWorksharingDirective(Parent->Directive)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 801, __PRETTY_FUNCTION__)); | |||
802 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); | |||
803 | } | |||
804 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | |||
805 | getDoacrossDependClauses() const { | |||
806 | const SharingMapTy &StackElem = getTopOfStack(); | |||
807 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | |||
808 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; | |||
809 | return llvm::make_range(Ref.begin(), Ref.end()); | |||
810 | } | |||
811 | return llvm::make_range(StackElem.DoacrossDepends.end(), | |||
812 | StackElem.DoacrossDepends.end()); | |||
813 | } | |||
814 | ||||
815 | // Store types of classes which have been explicitly mapped | |||
816 | void addMappedClassesQualTypes(QualType QT) { | |||
817 | SharingMapTy &StackElem = getTopOfStack(); | |||
818 | StackElem.MappedClassesQualTypes.insert(QT); | |||
819 | } | |||
820 | ||||
821 | // Return set of mapped classes types | |||
822 | bool isClassPreviouslyMapped(QualType QT) const { | |||
823 | const SharingMapTy &StackElem = getTopOfStack(); | |||
824 | return StackElem.MappedClassesQualTypes.count(QT) != 0; | |||
825 | } | |||
826 | ||||
827 | /// Adds global declare target to the parent target region. | |||
828 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { | |||
829 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 831, __PRETTY_FUNCTION__)) | |||
830 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 831, __PRETTY_FUNCTION__)) | |||
831 | "Expected declare target link global.")((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 831, __PRETTY_FUNCTION__)); | |||
832 | for (auto &Elem : *this) { | |||
833 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { | |||
834 | Elem.DeclareTargetLinkVarDecls.push_back(E); | |||
835 | return; | |||
836 | } | |||
837 | } | |||
838 | } | |||
839 | ||||
840 | /// Returns the list of globals with declare target link if current directive | |||
841 | /// is target. | |||
842 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { | |||
843 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 844, __PRETTY_FUNCTION__)) | |||
844 | "Expected target executable directive.")((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 844, __PRETTY_FUNCTION__)); | |||
845 | return getTopOfStack().DeclareTargetLinkVarDecls; | |||
846 | } | |||
847 | }; | |||
848 | ||||
849 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { | |||
850 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); | |||
851 | } | |||
852 | ||||
853 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { | |||
854 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || | |||
855 | DKind == OMPD_unknown; | |||
856 | } | |||
857 | ||||
858 | } // namespace | |||
859 | ||||
860 | static const Expr *getExprAsWritten(const Expr *E) { | |||
861 | if (const auto *FE = dyn_cast<FullExpr>(E)) | |||
862 | E = FE->getSubExpr(); | |||
863 | ||||
864 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | |||
865 | E = MTE->GetTemporaryExpr(); | |||
866 | ||||
867 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | |||
868 | E = Binder->getSubExpr(); | |||
869 | ||||
870 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | |||
871 | E = ICE->getSubExprAsWritten(); | |||
872 | return E->IgnoreParens(); | |||
873 | } | |||
874 | ||||
875 | static Expr *getExprAsWritten(Expr *E) { | |||
876 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); | |||
877 | } | |||
878 | ||||
879 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { | |||
880 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | |||
881 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
882 | D = ME->getMemberDecl(); | |||
883 | const auto *VD = dyn_cast<VarDecl>(D); | |||
884 | const auto *FD = dyn_cast<FieldDecl>(D); | |||
885 | if (VD != nullptr) { | |||
886 | VD = VD->getCanonicalDecl(); | |||
887 | D = VD; | |||
888 | } else { | |||
889 | assert(FD)((FD) ? static_cast<void> (0) : __assert_fail ("FD", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 889, __PRETTY_FUNCTION__)); | |||
890 | FD = FD->getCanonicalDecl(); | |||
891 | D = FD; | |||
892 | } | |||
893 | return D; | |||
894 | } | |||
895 | ||||
896 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | |||
897 | return const_cast<ValueDecl *>( | |||
898 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); | |||
899 | } | |||
900 | ||||
901 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, | |||
902 | ValueDecl *D) const { | |||
903 | D = getCanonicalDecl(D); | |||
904 | auto *VD = dyn_cast<VarDecl>(D); | |||
905 | const auto *FD = dyn_cast<FieldDecl>(D); | |||
906 | DSAVarData DVar; | |||
907 | if (Iter == end()) { | |||
908 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
909 | // in a region but not in construct] | |||
910 | // File-scope or namespace-scope variables referenced in called routines | |||
911 | // in the region are shared unless they appear in a threadprivate | |||
912 | // directive. | |||
913 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) | |||
914 | DVar.CKind = OMPC_shared; | |||
915 | ||||
916 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | |||
917 | // in a region but not in construct] | |||
918 | // Variables with static storage duration that are declared in called | |||
919 | // routines in the region are shared. | |||
920 | if (VD && VD->hasGlobalStorage()) | |||
921 | DVar.CKind = OMPC_shared; | |||
922 | ||||
923 | // Non-static data members are shared by default. | |||
924 | if (FD) | |||
925 | DVar.CKind = OMPC_shared; | |||
926 | ||||
927 | return DVar; | |||
928 | } | |||
929 | ||||
930 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
931 | // in a Construct, C/C++, predetermined, p.1] | |||
932 | // Variables with automatic storage duration that are declared in a scope | |||
933 | // inside the construct are private. | |||
934 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | |||
935 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | |||
936 | DVar.CKind = OMPC_private; | |||
937 | return DVar; | |||
938 | } | |||
939 | ||||
940 | DVar.DKind = Iter->Directive; | |||
941 | // Explicitly specified attributes and local variables with predetermined | |||
942 | // attributes. | |||
943 | if (Iter->SharingMap.count(D)) { | |||
944 | const DSAInfo &Data = Iter->SharingMap.lookup(D); | |||
945 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
946 | DVar.PrivateCopy = Data.PrivateCopy; | |||
947 | DVar.CKind = Data.Attributes; | |||
948 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
949 | return DVar; | |||
950 | } | |||
951 | ||||
952 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
953 | // in a Construct, C/C++, implicitly determined, p.1] | |||
954 | // In a parallel or task construct, the data-sharing attributes of these | |||
955 | // variables are determined by the default clause, if present. | |||
956 | switch (Iter->DefaultAttr) { | |||
957 | case DSA_shared: | |||
958 | DVar.CKind = OMPC_shared; | |||
959 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
960 | return DVar; | |||
961 | case DSA_none: | |||
962 | return DVar; | |||
963 | case DSA_unspecified: | |||
964 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
965 | // in a Construct, implicitly determined, p.2] | |||
966 | // In a parallel construct, if no default clause is present, these | |||
967 | // variables are shared. | |||
968 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
969 | if (isOpenMPParallelDirective(DVar.DKind) || | |||
970 | isOpenMPTeamsDirective(DVar.DKind)) { | |||
971 | DVar.CKind = OMPC_shared; | |||
972 | return DVar; | |||
973 | } | |||
974 | ||||
975 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
976 | // in a Construct, implicitly determined, p.4] | |||
977 | // In a task construct, if no default clause is present, a variable that in | |||
978 | // the enclosing context is determined to be shared by all implicit tasks | |||
979 | // bound to the current team is shared. | |||
980 | if (isOpenMPTaskingDirective(DVar.DKind)) { | |||
981 | DSAVarData DVarTemp; | |||
982 | const_iterator I = Iter, E = end(); | |||
983 | do { | |||
984 | ++I; | |||
985 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | |||
986 | // Referenced in a Construct, implicitly determined, p.6] | |||
987 | // In a task construct, if no default clause is present, a variable | |||
988 | // whose data-sharing attribute is not determined by the rules above is | |||
989 | // firstprivate. | |||
990 | DVarTemp = getDSA(I, D); | |||
991 | if (DVarTemp.CKind != OMPC_shared) { | |||
992 | DVar.RefExpr = nullptr; | |||
993 | DVar.CKind = OMPC_firstprivate; | |||
994 | return DVar; | |||
995 | } | |||
996 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); | |||
997 | DVar.CKind = | |||
998 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | |||
999 | return DVar; | |||
1000 | } | |||
1001 | } | |||
1002 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1003 | // in a Construct, implicitly determined, p.3] | |||
1004 | // For constructs other than task, if no default clause is present, these | |||
1005 | // variables inherit their data-sharing attributes from the enclosing | |||
1006 | // context. | |||
1007 | return getDSA(++Iter, D); | |||
1008 | } | |||
1009 | ||||
1010 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, | |||
1011 | const Expr *NewDE) { | |||
1012 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((!isStackEmpty() && "Data sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1012, __PRETTY_FUNCTION__)); | |||
1013 | D = getCanonicalDecl(D); | |||
1014 | SharingMapTy &StackElem = getTopOfStack(); | |||
1015 | auto It = StackElem.AlignedMap.find(D); | |||
1016 | if (It == StackElem.AlignedMap.end()) { | |||
1017 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? static_cast<void> (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1017, __PRETTY_FUNCTION__)); | |||
1018 | StackElem.AlignedMap[D] = NewDE; | |||
1019 | return nullptr; | |||
1020 | } | |||
1021 | assert(It->second && "Unexpected nullptr expr in the aligned map")((It->second && "Unexpected nullptr expr in the aligned map" ) ? static_cast<void> (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1021, __PRETTY_FUNCTION__)); | |||
1022 | return It->second; | |||
1023 | } | |||
1024 | ||||
1025 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { | |||
1026 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1026, __PRETTY_FUNCTION__)); | |||
1027 | D = getCanonicalDecl(D); | |||
1028 | SharingMapTy &StackElem = getTopOfStack(); | |||
1029 | StackElem.LCVMap.try_emplace( | |||
1030 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); | |||
1031 | } | |||
1032 | ||||
1033 | const DSAStackTy::LCDeclInfo | |||
1034 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { | |||
1035 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1035, __PRETTY_FUNCTION__)); | |||
1036 | D = getCanonicalDecl(D); | |||
1037 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1038 | auto It = StackElem.LCVMap.find(D); | |||
1039 | if (It != StackElem.LCVMap.end()) | |||
1040 | return It->second; | |||
1041 | return {0, nullptr}; | |||
1042 | } | |||
1043 | ||||
1044 | const DSAStackTy::LCDeclInfo | |||
1045 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { | |||
1046 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
1047 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1047, __PRETTY_FUNCTION__)); | |||
1048 | D = getCanonicalDecl(D); | |||
1049 | auto It = Parent->LCVMap.find(D); | |||
1050 | if (It != Parent->LCVMap.end()) | |||
1051 | return It->second; | |||
1052 | return {0, nullptr}; | |||
1053 | } | |||
1054 | ||||
1055 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { | |||
1056 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
1057 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1057, __PRETTY_FUNCTION__)); | |||
1058 | if (Parent->LCVMap.size() < I) | |||
1059 | return nullptr; | |||
1060 | for (const auto &Pair : Parent->LCVMap) | |||
1061 | if (Pair.second.first == I) | |||
1062 | return Pair.first; | |||
1063 | return nullptr; | |||
1064 | } | |||
1065 | ||||
1066 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | |||
1067 | DeclRefExpr *PrivateCopy) { | |||
1068 | D = getCanonicalDecl(D); | |||
1069 | if (A == OMPC_threadprivate) { | |||
1070 | DSAInfo &Data = Threadprivates[D]; | |||
1071 | Data.Attributes = A; | |||
1072 | Data.RefExpr.setPointer(E); | |||
1073 | Data.PrivateCopy = nullptr; | |||
1074 | } else { | |||
1075 | DSAInfo &Data = getTopOfStack().SharingMap[D]; | |||
1076 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1079, __PRETTY_FUNCTION__)) | |||
1077 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1079, __PRETTY_FUNCTION__)) | |||
1078 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1079, __PRETTY_FUNCTION__)) | |||
1079 | (isLoopControlVariable(D).first && A == OMPC_private))((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1079, __PRETTY_FUNCTION__)); | |||
1080 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | |||
1081 | Data.RefExpr.setInt(/*IntVal=*/true); | |||
1082 | return; | |||
1083 | } | |||
1084 | const bool IsLastprivate = | |||
1085 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | |||
1086 | Data.Attributes = A; | |||
1087 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | |||
1088 | Data.PrivateCopy = PrivateCopy; | |||
1089 | if (PrivateCopy) { | |||
1090 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; | |||
1091 | Data.Attributes = A; | |||
1092 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | |||
1093 | Data.PrivateCopy = nullptr; | |||
1094 | } | |||
1095 | } | |||
1096 | } | |||
1097 | ||||
1098 | /// Build a variable declaration for OpenMP loop iteration variable. | |||
1099 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | |||
1100 | StringRef Name, const AttrVec *Attrs = nullptr, | |||
1101 | DeclRefExpr *OrigRef = nullptr) { | |||
1102 | DeclContext *DC = SemaRef.CurContext; | |||
1103 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | |||
1104 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | |||
1105 | auto *Decl = | |||
1106 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | |||
1107 | if (Attrs) { | |||
1108 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | |||
1109 | I != E; ++I) | |||
1110 | Decl->addAttr(*I); | |||
1111 | } | |||
1112 | Decl->setImplicit(); | |||
1113 | if (OrigRef) { | |||
1114 | Decl->addAttr( | |||
1115 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); | |||
1116 | } | |||
1117 | return Decl; | |||
1118 | } | |||
1119 | ||||
1120 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | |||
1121 | SourceLocation Loc, | |||
1122 | bool RefersToCapture = false) { | |||
1123 | D->setReferenced(); | |||
1124 | D->markUsed(S.Context); | |||
1125 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | |||
1126 | SourceLocation(), D, RefersToCapture, Loc, Ty, | |||
1127 | VK_LValue); | |||
1128 | } | |||
1129 | ||||
1130 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
1131 | BinaryOperatorKind BOK) { | |||
1132 | D = getCanonicalDecl(D); | |||
1133 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1133, __PRETTY_FUNCTION__)); | |||
1134 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1136, __PRETTY_FUNCTION__)) | |||
1135 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1136, __PRETTY_FUNCTION__)) | |||
1136 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1136, __PRETTY_FUNCTION__)); | |||
1137 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | |||
1138 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1141, __PRETTY_FUNCTION__)) | |||
1139 | getTopOfStack().Directive == OMPD_taskgroup &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1141, __PRETTY_FUNCTION__)) | |||
1140 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1141, __PRETTY_FUNCTION__)) | |||
1141 | "items.")((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1141, __PRETTY_FUNCTION__)); | |||
1142 | ReductionData.set(BOK, SR); | |||
1143 | Expr *&TaskgroupReductionRef = | |||
1144 | getTopOfStack().TaskgroupReductionRef; | |||
1145 | if (!TaskgroupReductionRef) { | |||
1146 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | |||
1147 | SemaRef.Context.VoidPtrTy, ".task_red."); | |||
1148 | TaskgroupReductionRef = | |||
1149 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
1150 | } | |||
1151 | } | |||
1152 | ||||
1153 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
1154 | const Expr *ReductionRef) { | |||
1155 | D = getCanonicalDecl(D); | |||
1156 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1156, __PRETTY_FUNCTION__)); | |||
1157 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1159, __PRETTY_FUNCTION__)) | |||
1158 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1159, __PRETTY_FUNCTION__)) | |||
1159 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1159, __PRETTY_FUNCTION__)); | |||
1160 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | |||
1161 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1164, __PRETTY_FUNCTION__)) | |||
1162 | getTopOfStack().Directive == OMPD_taskgroup &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1164, __PRETTY_FUNCTION__)) | |||
1163 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1164, __PRETTY_FUNCTION__)) | |||
1164 | "items.")((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1164, __PRETTY_FUNCTION__)); | |||
1165 | ReductionData.set(ReductionRef, SR); | |||
1166 | Expr *&TaskgroupReductionRef = | |||
1167 | getTopOfStack().TaskgroupReductionRef; | |||
1168 | if (!TaskgroupReductionRef) { | |||
1169 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | |||
1170 | SemaRef.Context.VoidPtrTy, ".task_red."); | |||
1171 | TaskgroupReductionRef = | |||
1172 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
1173 | } | |||
1174 | } | |||
1175 | ||||
1176 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | |||
1177 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, | |||
1178 | Expr *&TaskgroupDescriptor) const { | |||
1179 | D = getCanonicalDecl(D); | |||
1180 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1180, __PRETTY_FUNCTION__)); | |||
1181 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | |||
1182 | const DSAInfo &Data = I->SharingMap.lookup(D); | |||
1183 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | |||
1184 | continue; | |||
1185 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | |||
1186 | if (!ReductionData.ReductionOp || | |||
1187 | ReductionData.ReductionOp.is<const Expr *>()) | |||
1188 | return DSAVarData(); | |||
1189 | SR = ReductionData.ReductionRange; | |||
1190 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | |||
1191 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1193, __PRETTY_FUNCTION__)) | |||
1192 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1193, __PRETTY_FUNCTION__)) | |||
1193 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1193, __PRETTY_FUNCTION__)); | |||
1194 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
1195 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | |||
1196 | Data.PrivateCopy, I->DefaultAttrLoc); | |||
1197 | } | |||
1198 | return DSAVarData(); | |||
1199 | } | |||
1200 | ||||
1201 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | |||
1202 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, | |||
1203 | Expr *&TaskgroupDescriptor) const { | |||
1204 | D = getCanonicalDecl(D); | |||
1205 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1205, __PRETTY_FUNCTION__)); | |||
1206 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | |||
1207 | const DSAInfo &Data = I->SharingMap.lookup(D); | |||
1208 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | |||
1209 | continue; | |||
1210 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | |||
1211 | if (!ReductionData.ReductionOp || | |||
1212 | !ReductionData.ReductionOp.is<const Expr *>()) | |||
1213 | return DSAVarData(); | |||
1214 | SR = ReductionData.ReductionRange; | |||
1215 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | |||
1216 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1218, __PRETTY_FUNCTION__)) | |||
1217 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1218, __PRETTY_FUNCTION__)) | |||
1218 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1218, __PRETTY_FUNCTION__)); | |||
1219 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
1220 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | |||
1221 | Data.PrivateCopy, I->DefaultAttrLoc); | |||
1222 | } | |||
1223 | return DSAVarData(); | |||
1224 | } | |||
1225 | ||||
1226 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { | |||
1227 | D = D->getCanonicalDecl(); | |||
1228 | for (const_iterator E = end(); I != E; ++I) { | |||
1229 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || | |||
1230 | isOpenMPTargetExecutionDirective(I->Directive)) { | |||
1231 | Scope *TopScope = I->CurScope ? I->CurScope->getParent() : nullptr; | |||
1232 | Scope *CurScope = getCurScope(); | |||
1233 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) | |||
1234 | CurScope = CurScope->getParent(); | |||
1235 | return CurScope != TopScope; | |||
1236 | } | |||
1237 | } | |||
1238 | return false; | |||
1239 | } | |||
1240 | ||||
1241 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, | |||
1242 | bool AcceptIfMutable = true, | |||
1243 | bool *IsClassType = nullptr) { | |||
1244 | ASTContext &Context = SemaRef.getASTContext(); | |||
1245 | Type = Type.getNonReferenceType().getCanonicalType(); | |||
1246 | bool IsConstant = Type.isConstant(Context); | |||
1247 | Type = Context.getBaseElementType(Type); | |||
1248 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus | |||
1249 | ? Type->getAsCXXRecordDecl() | |||
1250 | : nullptr; | |||
1251 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | |||
1252 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) | |||
1253 | RD = CTD->getTemplatedDecl(); | |||
1254 | if (IsClassType) | |||
1255 | *IsClassType = RD; | |||
1256 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && | |||
1257 | RD->hasDefinition() && RD->hasMutableFields()); | |||
1258 | } | |||
1259 | ||||
1260 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, | |||
1261 | QualType Type, OpenMPClauseKind CKind, | |||
1262 | SourceLocation ELoc, | |||
1263 | bool AcceptIfMutable = true, | |||
1264 | bool ListItemNotVar = false) { | |||
1265 | ASTContext &Context = SemaRef.getASTContext(); | |||
1266 | bool IsClassType; | |||
1267 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { | |||
1268 | unsigned Diag = ListItemNotVar | |||
1269 | ? diag::err_omp_const_list_item | |||
1270 | : IsClassType ? diag::err_omp_const_not_mutable_variable | |||
1271 | : diag::err_omp_const_variable; | |||
1272 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); | |||
1273 | if (!ListItemNotVar && D) { | |||
1274 | const VarDecl *VD = dyn_cast<VarDecl>(D); | |||
1275 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
1276 | VarDecl::DeclarationOnly; | |||
1277 | SemaRef.Diag(D->getLocation(), | |||
1278 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1279 | << D; | |||
1280 | } | |||
1281 | return true; | |||
1282 | } | |||
1283 | return false; | |||
1284 | } | |||
1285 | ||||
1286 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, | |||
1287 | bool FromParent) { | |||
1288 | D = getCanonicalDecl(D); | |||
1289 | DSAVarData DVar; | |||
1290 | ||||
1291 | auto *VD = dyn_cast<VarDecl>(D); | |||
1292 | auto TI = Threadprivates.find(D); | |||
1293 | if (TI != Threadprivates.end()) { | |||
1294 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | |||
1295 | DVar.CKind = OMPC_threadprivate; | |||
1296 | return DVar; | |||
1297 | } | |||
1298 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | |||
1299 | DVar.RefExpr = buildDeclRefExpr( | |||
1300 | SemaRef, VD, D->getType().getNonReferenceType(), | |||
1301 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | |||
1302 | DVar.CKind = OMPC_threadprivate; | |||
1303 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | |||
1304 | return DVar; | |||
1305 | } | |||
1306 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1307 | // in a Construct, C/C++, predetermined, p.1] | |||
1308 | // Variables appearing in threadprivate directives are threadprivate. | |||
1309 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | |||
1310 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
1311 | SemaRef.getLangOpts().OpenMPUseTLS && | |||
1312 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | |||
1313 | (VD && VD->getStorageClass() == SC_Register && | |||
1314 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | |||
1315 | DVar.RefExpr = buildDeclRefExpr( | |||
1316 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); | |||
1317 | DVar.CKind = OMPC_threadprivate; | |||
1318 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | |||
1319 | return DVar; | |||
1320 | } | |||
1321 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && | |||
1322 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && | |||
1323 | !isLoopControlVariable(D).first) { | |||
1324 | const_iterator IterTarget = | |||
1325 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { | |||
1326 | return isOpenMPTargetExecutionDirective(Data.Directive); | |||
1327 | }); | |||
1328 | if (IterTarget != end()) { | |||
1329 | const_iterator ParentIterTarget = IterTarget + 1; | |||
1330 | for (const_iterator Iter = begin(); | |||
1331 | Iter != ParentIterTarget; ++Iter) { | |||
1332 | if (isOpenMPLocal(VD, Iter)) { | |||
1333 | DVar.RefExpr = | |||
1334 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | |||
1335 | D->getLocation()); | |||
1336 | DVar.CKind = OMPC_threadprivate; | |||
1337 | return DVar; | |||
1338 | } | |||
1339 | } | |||
1340 | if (!isClauseParsingMode() || IterTarget != begin()) { | |||
1341 | auto DSAIter = IterTarget->SharingMap.find(D); | |||
1342 | if (DSAIter != IterTarget->SharingMap.end() && | |||
1343 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { | |||
1344 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); | |||
1345 | DVar.CKind = OMPC_threadprivate; | |||
1346 | return DVar; | |||
1347 | } | |||
1348 | const_iterator End = end(); | |||
1349 | if (!SemaRef.isOpenMPCapturedByRef( | |||
1350 | D, std::distance(ParentIterTarget, End), | |||
1351 | /*OpenMPCaptureLevel=*/0)) { | |||
1352 | DVar.RefExpr = | |||
1353 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | |||
1354 | IterTarget->ConstructLoc); | |||
1355 | DVar.CKind = OMPC_threadprivate; | |||
1356 | return DVar; | |||
1357 | } | |||
1358 | } | |||
1359 | } | |||
1360 | } | |||
1361 | ||||
1362 | if (isStackEmpty()) | |||
1363 | // Not in OpenMP execution region and top scope was already checked. | |||
1364 | return DVar; | |||
1365 | ||||
1366 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1367 | // in a Construct, C/C++, predetermined, p.4] | |||
1368 | // Static data members are shared. | |||
1369 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1370 | // in a Construct, C/C++, predetermined, p.7] | |||
1371 | // Variables with static storage duration that are declared in a scope | |||
1372 | // inside the construct are shared. | |||
1373 | if (VD && VD->isStaticDataMember()) { | |||
1374 | // Check for explicitly specified attributes. | |||
1375 | const_iterator I = begin(); | |||
1376 | const_iterator EndI = end(); | |||
1377 | if (FromParent && I != EndI) | |||
1378 | ++I; | |||
1379 | auto It = I->SharingMap.find(D); | |||
1380 | if (It != I->SharingMap.end()) { | |||
1381 | const DSAInfo &Data = It->getSecond(); | |||
1382 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
1383 | DVar.PrivateCopy = Data.PrivateCopy; | |||
1384 | DVar.CKind = Data.Attributes; | |||
1385 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | |||
1386 | DVar.DKind = I->Directive; | |||
1387 | return DVar; | |||
1388 | } | |||
1389 | ||||
1390 | DVar.CKind = OMPC_shared; | |||
1391 | return DVar; | |||
1392 | } | |||
1393 | ||||
1394 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; | |||
1395 | // The predetermined shared attribute for const-qualified types having no | |||
1396 | // mutable members was removed after OpenMP 3.1. | |||
1397 | if (SemaRef.LangOpts.OpenMP <= 31) { | |||
1398 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1399 | // in a Construct, C/C++, predetermined, p.6] | |||
1400 | // Variables with const qualified type having no mutable member are | |||
1401 | // shared. | |||
1402 | if (isConstNotMutableType(SemaRef, D->getType())) { | |||
1403 | // Variables with const-qualified type having no mutable member may be | |||
1404 | // listed in a firstprivate clause, even if they are static data members. | |||
1405 | DSAVarData DVarTemp = hasInnermostDSA( | |||
1406 | D, | |||
1407 | [](OpenMPClauseKind C) { | |||
1408 | return C == OMPC_firstprivate || C == OMPC_shared; | |||
1409 | }, | |||
1410 | MatchesAlways, FromParent); | |||
1411 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | |||
1412 | return DVarTemp; | |||
1413 | ||||
1414 | DVar.CKind = OMPC_shared; | |||
1415 | return DVar; | |||
1416 | } | |||
1417 | } | |||
1418 | ||||
1419 | // Explicitly specified attributes and local variables with predetermined | |||
1420 | // attributes. | |||
1421 | const_iterator I = begin(); | |||
1422 | const_iterator EndI = end(); | |||
1423 | if (FromParent && I != EndI) | |||
1424 | ++I; | |||
1425 | auto It = I->SharingMap.find(D); | |||
1426 | if (It != I->SharingMap.end()) { | |||
1427 | const DSAInfo &Data = It->getSecond(); | |||
1428 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
1429 | DVar.PrivateCopy = Data.PrivateCopy; | |||
1430 | DVar.CKind = Data.Attributes; | |||
1431 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | |||
1432 | DVar.DKind = I->Directive; | |||
1433 | } | |||
1434 | ||||
1435 | return DVar; | |||
1436 | } | |||
1437 | ||||
1438 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | |||
1439 | bool FromParent) const { | |||
1440 | if (isStackEmpty()) { | |||
1441 | const_iterator I; | |||
1442 | return getDSA(I, D); | |||
1443 | } | |||
1444 | D = getCanonicalDecl(D); | |||
1445 | const_iterator StartI = begin(); | |||
1446 | const_iterator EndI = end(); | |||
1447 | if (FromParent && StartI != EndI) | |||
1448 | ++StartI; | |||
1449 | return getDSA(StartI, D); | |||
1450 | } | |||
1451 | ||||
1452 | const DSAStackTy::DSAVarData | |||
1453 | DSAStackTy::hasDSA(ValueDecl *D, | |||
1454 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
1455 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1456 | bool FromParent) const { | |||
1457 | if (isStackEmpty()) | |||
1458 | return {}; | |||
1459 | D = getCanonicalDecl(D); | |||
1460 | const_iterator I = begin(); | |||
1461 | const_iterator EndI = end(); | |||
1462 | if (FromParent && I != EndI) | |||
1463 | ++I; | |||
1464 | for (; I != EndI; ++I) { | |||
1465 | if (!DPred(I->Directive) && | |||
1466 | !isImplicitOrExplicitTaskingRegion(I->Directive)) | |||
1467 | continue; | |||
1468 | const_iterator NewI = I; | |||
1469 | DSAVarData DVar = getDSA(NewI, D); | |||
1470 | if (I == NewI && CPred(DVar.CKind)) | |||
1471 | return DVar; | |||
1472 | } | |||
1473 | return {}; | |||
1474 | } | |||
1475 | ||||
1476 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | |||
1477 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
1478 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1479 | bool FromParent) const { | |||
1480 | if (isStackEmpty()) | |||
1481 | return {}; | |||
1482 | D = getCanonicalDecl(D); | |||
1483 | const_iterator StartI = begin(); | |||
1484 | const_iterator EndI = end(); | |||
1485 | if (FromParent && StartI != EndI) | |||
1486 | ++StartI; | |||
1487 | if (StartI == EndI || !DPred(StartI->Directive)) | |||
1488 | return {}; | |||
1489 | const_iterator NewI = StartI; | |||
1490 | DSAVarData DVar = getDSA(NewI, D); | |||
1491 | return (NewI == StartI && CPred(DVar.CKind)) ? DVar : DSAVarData(); | |||
1492 | } | |||
1493 | ||||
1494 | bool DSAStackTy::hasExplicitDSA( | |||
1495 | const ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | |||
1496 | unsigned Level, bool NotLastprivate) const { | |||
1497 | if (getStackSize() <= Level) | |||
1498 | return false; | |||
1499 | D = getCanonicalDecl(D); | |||
1500 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
1501 | auto I = StackElem.SharingMap.find(D); | |||
1502 | if (I != StackElem.SharingMap.end() && | |||
1503 | I->getSecond().RefExpr.getPointer() && | |||
1504 | CPred(I->getSecond().Attributes) && | |||
1505 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) | |||
1506 | return true; | |||
1507 | // Check predetermined rules for the loop control variables. | |||
1508 | auto LI = StackElem.LCVMap.find(D); | |||
1509 | if (LI != StackElem.LCVMap.end()) | |||
1510 | return CPred(OMPC_private); | |||
1511 | return false; | |||
1512 | } | |||
1513 | ||||
1514 | bool DSAStackTy::hasExplicitDirective( | |||
1515 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1516 | unsigned Level) const { | |||
1517 | if (getStackSize() <= Level) | |||
1518 | return false; | |||
1519 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
1520 | return DPred(StackElem.Directive); | |||
1521 | } | |||
1522 | ||||
1523 | bool DSAStackTy::hasDirective( | |||
1524 | const llvm::function_ref<bool(OpenMPDirectiveKind, | |||
1525 | const DeclarationNameInfo &, SourceLocation)> | |||
1526 | DPred, | |||
1527 | bool FromParent) const { | |||
1528 | // We look only in the enclosing region. | |||
1529 | size_t Skip = FromParent ? 2 : 1; | |||
1530 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); | |||
1531 | I != E; ++I) { | |||
1532 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | |||
1533 | return true; | |||
1534 | } | |||
1535 | return false; | |||
1536 | } | |||
1537 | ||||
1538 | void Sema::InitDataSharingAttributesStack() { | |||
1539 | VarDataSharingAttributesStack = new DSAStackTy(*this); | |||
1540 | } | |||
1541 | ||||
1542 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | |||
1543 | ||||
1544 | void Sema::pushOpenMPFunctionRegion() { | |||
1545 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | |||
1546 | } | |||
1547 | ||||
1548 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | |||
1549 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | |||
1550 | } | |||
1551 | ||||
1552 | static bool isOpenMPDeviceDelayedContext(Sema &S) { | |||
1553 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1554, __PRETTY_FUNCTION__)) | |||
1554 | "Expected OpenMP device compilation.")((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1554, __PRETTY_FUNCTION__)); | |||
1555 | return !S.isInOpenMPTargetExecutionDirective() && | |||
1556 | !S.isInOpenMPDeclareTargetContext(); | |||
1557 | } | |||
1558 | ||||
1559 | namespace { | |||
1560 | /// Status of the function emission on the host/device. | |||
1561 | enum class FunctionEmissionStatus { | |||
1562 | Emitted, | |||
1563 | Discarded, | |||
1564 | Unknown, | |||
1565 | }; | |||
1566 | } // anonymous namespace | |||
1567 | ||||
1568 | /// Do we know that we will eventually codegen the given function? | |||
1569 | static FunctionEmissionStatus isKnownDeviceEmitted(Sema &S, FunctionDecl *FD) { | |||
1570 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1571, __PRETTY_FUNCTION__)) | |||
1571 | "Expected OpenMP device compilation.")((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1571, __PRETTY_FUNCTION__)); | |||
1572 | // Templates are emitted when they're instantiated. | |||
1573 | if (FD->isDependentContext()) | |||
1574 | return FunctionEmissionStatus::Discarded; | |||
1575 | ||||
1576 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
1577 | OMPDeclareTargetDeclAttr::getDeviceType(FD->getCanonicalDecl()); | |||
1578 | if (DevTy.hasValue()) | |||
1579 | return (*DevTy == OMPDeclareTargetDeclAttr::DT_Host) | |||
1580 | ? FunctionEmissionStatus::Discarded | |||
1581 | : FunctionEmissionStatus::Emitted; | |||
1582 | ||||
1583 | // Otherwise, the function is known-emitted if it's in our set of | |||
1584 | // known-emitted functions. | |||
1585 | return (S.DeviceKnownEmittedFns.count(FD) > 0) | |||
1586 | ? FunctionEmissionStatus::Emitted | |||
1587 | : FunctionEmissionStatus::Unknown; | |||
1588 | } | |||
1589 | ||||
1590 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, | |||
1591 | unsigned DiagID) { | |||
1592 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1593, __PRETTY_FUNCTION__)) | |||
1593 | "Expected OpenMP device compilation.")((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1593, __PRETTY_FUNCTION__)); | |||
1594 | FunctionEmissionStatus FES = | |||
1595 | isKnownDeviceEmitted(*this, getCurFunctionDecl()); | |||
1596 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | |||
1597 | switch (FES) { | |||
1598 | case FunctionEmissionStatus::Emitted: | |||
1599 | Kind = DeviceDiagBuilder::K_Immediate; | |||
1600 | break; | |||
1601 | case FunctionEmissionStatus::Unknown: | |||
1602 | Kind = isOpenMPDeviceDelayedContext(*this) ? DeviceDiagBuilder::K_Deferred | |||
1603 | : DeviceDiagBuilder::K_Immediate; | |||
1604 | break; | |||
1605 | case FunctionEmissionStatus::Discarded: | |||
1606 | Kind = DeviceDiagBuilder::K_Nop; | |||
1607 | break; | |||
1608 | } | |||
1609 | ||||
1610 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | |||
1611 | } | |||
1612 | ||||
1613 | /// Do we know that we will eventually codegen the given function? | |||
1614 | static FunctionEmissionStatus isKnownHostEmitted(Sema &S, FunctionDecl *FD) { | |||
1615 | assert(S.LangOpts.OpenMP && !S.LangOpts.OpenMPIsDevice &&((S.LangOpts.OpenMP && !S.LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("S.LangOpts.OpenMP && !S.LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1616, __PRETTY_FUNCTION__)) | |||
1616 | "Expected OpenMP host compilation.")((S.LangOpts.OpenMP && !S.LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("S.LangOpts.OpenMP && !S.LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1616, __PRETTY_FUNCTION__)); | |||
1617 | // In OpenMP 4.5 all the functions are host functions. | |||
1618 | if (S.LangOpts.OpenMP <= 45) | |||
1619 | return FunctionEmissionStatus::Emitted; | |||
1620 | ||||
1621 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
1622 | OMPDeclareTargetDeclAttr::getDeviceType(FD->getCanonicalDecl()); | |||
1623 | if (DevTy.hasValue()) | |||
1624 | return (*DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | |||
1625 | ? FunctionEmissionStatus::Discarded | |||
1626 | : FunctionEmissionStatus::Emitted; | |||
1627 | ||||
1628 | // Otherwise, the function is known-emitted if it's in our set of | |||
1629 | // known-emitted functions. | |||
1630 | return (S.DeviceKnownEmittedFns.count(FD) > 0) | |||
1631 | ? FunctionEmissionStatus::Emitted | |||
1632 | : FunctionEmissionStatus::Unknown; | |||
1633 | } | |||
1634 | ||||
1635 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, | |||
1636 | unsigned DiagID) { | |||
1637 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1638, __PRETTY_FUNCTION__)) | |||
1638 | "Expected OpenMP host compilation.")((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1638, __PRETTY_FUNCTION__)); | |||
1639 | FunctionEmissionStatus FES = | |||
1640 | isKnownHostEmitted(*this, getCurFunctionDecl()); | |||
1641 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | |||
1642 | switch (FES) { | |||
1643 | case FunctionEmissionStatus::Emitted: | |||
1644 | Kind = DeviceDiagBuilder::K_Immediate; | |||
1645 | break; | |||
1646 | case FunctionEmissionStatus::Unknown: | |||
1647 | Kind = DeviceDiagBuilder::K_Deferred; | |||
1648 | break; | |||
1649 | case FunctionEmissionStatus::Discarded: | |||
1650 | Kind = DeviceDiagBuilder::K_Nop; | |||
1651 | break; | |||
1652 | } | |||
1653 | ||||
1654 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | |||
1655 | } | |||
1656 | ||||
1657 | void Sema::checkOpenMPDeviceFunction(SourceLocation Loc, FunctionDecl *Callee, | |||
1658 | bool CheckForDelayedContext) { | |||
1659 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1660, __PRETTY_FUNCTION__)) | |||
1660 | "Expected OpenMP device compilation.")((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1660, __PRETTY_FUNCTION__)); | |||
1661 | assert(Callee && "Callee may not be null.")((Callee && "Callee may not be null.") ? static_cast< void> (0) : __assert_fail ("Callee && \"Callee may not be null.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1661, __PRETTY_FUNCTION__)); | |||
1662 | Callee = Callee->getMostRecentDecl(); | |||
1663 | FunctionDecl *Caller = getCurFunctionDecl(); | |||
1664 | ||||
1665 | // host only function are not available on the device. | |||
1666 | if (Caller && | |||
1667 | (isKnownDeviceEmitted(*this, Caller) == FunctionEmissionStatus::Emitted || | |||
1668 | (!isOpenMPDeviceDelayedContext(*this) && | |||
1669 | isKnownDeviceEmitted(*this, Caller) == | |||
1670 | FunctionEmissionStatus::Unknown)) && | |||
1671 | isKnownDeviceEmitted(*this, Callee) == | |||
1672 | FunctionEmissionStatus::Discarded) { | |||
1673 | StringRef HostDevTy = | |||
1674 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); | |||
1675 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; | |||
1676 | Diag(Callee->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | |||
1677 | diag::note_omp_marked_device_type_here) | |||
1678 | << HostDevTy; | |||
1679 | return; | |||
1680 | } | |||
1681 | // If the caller is known-emitted, mark the callee as known-emitted. | |||
1682 | // Otherwise, mark the call in our call graph so we can traverse it later. | |||
1683 | if ((CheckForDelayedContext && !isOpenMPDeviceDelayedContext(*this)) || | |||
1684 | (!Caller && !CheckForDelayedContext) || | |||
1685 | (Caller && | |||
1686 | isKnownDeviceEmitted(*this, Caller) == FunctionEmissionStatus::Emitted)) | |||
1687 | markKnownEmitted(*this, Caller, Callee, Loc, | |||
1688 | [CheckForDelayedContext](Sema &S, FunctionDecl *FD) { | |||
1689 | return CheckForDelayedContext && | |||
1690 | isKnownDeviceEmitted(S, FD) == | |||
1691 | FunctionEmissionStatus::Emitted; | |||
1692 | }); | |||
1693 | else if (Caller) | |||
1694 | DeviceCallGraph[Caller].insert({Callee, Loc}); | |||
1695 | } | |||
1696 | ||||
1697 | void Sema::checkOpenMPHostFunction(SourceLocation Loc, FunctionDecl *Callee, | |||
1698 | bool CheckCaller) { | |||
1699 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1700, __PRETTY_FUNCTION__)) | |||
1700 | "Expected OpenMP host compilation.")((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1700, __PRETTY_FUNCTION__)); | |||
1701 | assert(Callee && "Callee may not be null.")((Callee && "Callee may not be null.") ? static_cast< void> (0) : __assert_fail ("Callee && \"Callee may not be null.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1701, __PRETTY_FUNCTION__)); | |||
1702 | Callee = Callee->getMostRecentDecl(); | |||
1703 | FunctionDecl *Caller = getCurFunctionDecl(); | |||
1704 | ||||
1705 | // device only function are not available on the host. | |||
1706 | if (Caller && | |||
1707 | isKnownHostEmitted(*this, Caller) == FunctionEmissionStatus::Emitted && | |||
1708 | isKnownHostEmitted(*this, Callee) == FunctionEmissionStatus::Discarded) { | |||
1709 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | |||
1710 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | |||
1711 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; | |||
1712 | Diag(Callee->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | |||
1713 | diag::note_omp_marked_device_type_here) | |||
1714 | << NoHostDevTy; | |||
1715 | return; | |||
1716 | } | |||
1717 | // If the caller is known-emitted, mark the callee as known-emitted. | |||
1718 | // Otherwise, mark the call in our call graph so we can traverse it later. | |||
1719 | if ((!CheckCaller && !Caller) || | |||
1720 | (Caller && | |||
1721 | isKnownHostEmitted(*this, Caller) == FunctionEmissionStatus::Emitted)) | |||
1722 | markKnownEmitted( | |||
1723 | *this, Caller, Callee, Loc, [CheckCaller](Sema &S, FunctionDecl *FD) { | |||
1724 | return CheckCaller && | |||
1725 | isKnownHostEmitted(S, FD) == FunctionEmissionStatus::Emitted; | |||
1726 | }); | |||
1727 | else if (Caller) | |||
1728 | DeviceCallGraph[Caller].insert({Callee, Loc}); | |||
1729 | } | |||
1730 | ||||
1731 | void Sema::checkOpenMPDeviceExpr(const Expr *E) { | |||
1732 | assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "OpenMP device compilation mode is expected.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"OpenMP device compilation mode is expected.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1733, __PRETTY_FUNCTION__)) | |||
1733 | "OpenMP device compilation mode is expected.")((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "OpenMP device compilation mode is expected.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"OpenMP device compilation mode is expected.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1733, __PRETTY_FUNCTION__)); | |||
1734 | QualType Ty = E->getType(); | |||
1735 | if ((Ty->isFloat16Type() && !Context.getTargetInfo().hasFloat16Type()) || | |||
1736 | ((Ty->isFloat128Type() || | |||
1737 | (Ty->isRealFloatingType() && Context.getTypeSize(Ty) == 128)) && | |||
1738 | !Context.getTargetInfo().hasFloat128Type()) || | |||
1739 | (Ty->isIntegerType() && Context.getTypeSize(Ty) == 128 && | |||
1740 | !Context.getTargetInfo().hasInt128Type())) | |||
1741 | targetDiag(E->getExprLoc(), diag::err_omp_unsupported_type) | |||
1742 | << static_cast<unsigned>(Context.getTypeSize(Ty)) << Ty | |||
1743 | << Context.getTargetInfo().getTriple().str() << E->getSourceRange(); | |||
1744 | } | |||
1745 | ||||
1746 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, | |||
1747 | unsigned OpenMPCaptureLevel) const { | |||
1748 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1748, __PRETTY_FUNCTION__)); | |||
1749 | ||||
1750 | ASTContext &Ctx = getASTContext(); | |||
1751 | bool IsByRef = true; | |||
1752 | ||||
1753 | // Find the directive that is associated with the provided scope. | |||
1754 | D = cast<ValueDecl>(D->getCanonicalDecl()); | |||
1755 | QualType Ty = D->getType(); | |||
1756 | ||||
1757 | bool IsVariableUsedInMapClause = false; | |||
1758 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | |||
1759 | // This table summarizes how a given variable should be passed to the device | |||
1760 | // given its type and the clauses where it appears. This table is based on | |||
1761 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | |||
1762 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | |||
1763 | // | |||
1764 | // ========================================================================= | |||
1765 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | |||
1766 | // | |(tofrom:scalar)| | pvt | | | | | |||
1767 | // ========================================================================= | |||
1768 | // | scl | | | | - | | bycopy| | |||
1769 | // | scl | | - | x | - | - | bycopy| | |||
1770 | // | scl | | x | - | - | - | null | | |||
1771 | // | scl | x | | | - | | byref | | |||
1772 | // | scl | x | - | x | - | - | bycopy| | |||
1773 | // | scl | x | x | - | - | - | null | | |||
1774 | // | scl | | - | - | - | x | byref | | |||
1775 | // | scl | x | - | - | - | x | byref | | |||
1776 | // | |||
1777 | // | agg | n.a. | | | - | | byref | | |||
1778 | // | agg | n.a. | - | x | - | - | byref | | |||
1779 | // | agg | n.a. | x | - | - | - | null | | |||
1780 | // | agg | n.a. | - | - | - | x | byref | | |||
1781 | // | agg | n.a. | - | - | - | x[] | byref | | |||
1782 | // | |||
1783 | // | ptr | n.a. | | | - | | bycopy| | |||
1784 | // | ptr | n.a. | - | x | - | - | bycopy| | |||
1785 | // | ptr | n.a. | x | - | - | - | null | | |||
1786 | // | ptr | n.a. | - | - | - | x | byref | | |||
1787 | // | ptr | n.a. | - | - | - | x[] | bycopy| | |||
1788 | // | ptr | n.a. | - | - | x | | bycopy| | |||
1789 | // | ptr | n.a. | - | - | x | x | bycopy| | |||
1790 | // | ptr | n.a. | - | - | x | x[] | bycopy| | |||
1791 | // ========================================================================= | |||
1792 | // Legend: | |||
1793 | // scl - scalar | |||
1794 | // ptr - pointer | |||
1795 | // agg - aggregate | |||
1796 | // x - applies | |||
1797 | // - - invalid in this combination | |||
1798 | // [] - mapped with an array section | |||
1799 | // byref - should be mapped by reference | |||
1800 | // byval - should be mapped by value | |||
1801 | // null - initialize a local variable to null on the device | |||
1802 | // | |||
1803 | // Observations: | |||
1804 | // - All scalar declarations that show up in a map clause have to be passed | |||
1805 | // by reference, because they may have been mapped in the enclosing data | |||
1806 | // environment. | |||
1807 | // - If the scalar value does not fit the size of uintptr, it has to be | |||
1808 | // passed by reference, regardless the result in the table above. | |||
1809 | // - For pointers mapped by value that have either an implicit map or an | |||
1810 | // array section, the runtime library may pass the NULL value to the | |||
1811 | // device instead of the value passed to it by the compiler. | |||
1812 | ||||
1813 | if (Ty->isReferenceType()) | |||
1814 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | |||
1815 | ||||
1816 | // Locate map clauses and see if the variable being captured is referred to | |||
1817 | // in any of those clauses. Here we only care about variables, not fields, | |||
1818 | // because fields are part of aggregates. | |||
1819 | bool IsVariableAssociatedWithSection = false; | |||
1820 | ||||
1821 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
1822 | D, Level, | |||
1823 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( | |||
1824 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
1825 | MapExprComponents, | |||
1826 | OpenMPClauseKind WhereFoundClauseKind) { | |||
1827 | // Only the map clause information influences how a variable is | |||
1828 | // captured. E.g. is_device_ptr does not require changing the default | |||
1829 | // behavior. | |||
1830 | if (WhereFoundClauseKind != OMPC_map) | |||
1831 | return false; | |||
1832 | ||||
1833 | auto EI = MapExprComponents.rbegin(); | |||
1834 | auto EE = MapExprComponents.rend(); | |||
1835 | ||||
1836 | assert(EI != EE && "Invalid map expression!")((EI != EE && "Invalid map expression!") ? static_cast <void> (0) : __assert_fail ("EI != EE && \"Invalid map expression!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1836, __PRETTY_FUNCTION__)); | |||
1837 | ||||
1838 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | |||
1839 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | |||
1840 | ||||
1841 | ++EI; | |||
1842 | if (EI == EE) | |||
1843 | return false; | |||
1844 | ||||
1845 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | |||
1846 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | |||
1847 | isa<MemberExpr>(EI->getAssociatedExpression())) { | |||
1848 | IsVariableAssociatedWithSection = true; | |||
1849 | // There is nothing more we need to know about this variable. | |||
1850 | return true; | |||
1851 | } | |||
1852 | ||||
1853 | // Keep looking for more map info. | |||
1854 | return false; | |||
1855 | }); | |||
1856 | ||||
1857 | if (IsVariableUsedInMapClause) { | |||
1858 | // If variable is identified in a map clause it is always captured by | |||
1859 | // reference except if it is a pointer that is dereferenced somehow. | |||
1860 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | |||
1861 | } else { | |||
1862 | // By default, all the data that has a scalar type is mapped by copy | |||
1863 | // (except for reduction variables). | |||
1864 | IsByRef = | |||
1865 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && | |||
1866 | !Ty->isAnyPointerType()) || | |||
1867 | !Ty->isScalarType() || | |||
1868 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDMAAtLevel(Level) == DMA_tofrom_scalar || | |||
1869 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
1870 | D, [](OpenMPClauseKind K) { return K == OMPC_reduction; }, Level); | |||
1871 | } | |||
1872 | } | |||
1873 | ||||
1874 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | |||
1875 | IsByRef = | |||
1876 | ((IsVariableUsedInMapClause && | |||
1877 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == | |||
1878 | OMPD_target) || | |||
1879 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
1880 | D, | |||
1881 | [](OpenMPClauseKind K) -> bool { return K == OMPC_firstprivate; }, | |||
1882 | Level, /*NotLastprivate=*/true)) && | |||
1883 | // If the variable is artificial and must be captured by value - try to | |||
1884 | // capture by value. | |||
1885 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | |||
1886 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()); | |||
1887 | } | |||
1888 | ||||
1889 | // When passing data by copy, we need to make sure it fits the uintptr size | |||
1890 | // and alignment, because the runtime library only deals with uintptr types. | |||
1891 | // If it does not fit the uintptr size, we need to pass the data by reference | |||
1892 | // instead. | |||
1893 | if (!IsByRef && | |||
1894 | (Ctx.getTypeSizeInChars(Ty) > | |||
1895 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | |||
1896 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | |||
1897 | IsByRef = true; | |||
1898 | } | |||
1899 | ||||
1900 | return IsByRef; | |||
1901 | } | |||
1902 | ||||
1903 | unsigned Sema::getOpenMPNestingLevel() const { | |||
1904 | assert(getLangOpts().OpenMP)((getLangOpts().OpenMP) ? static_cast<void> (0) : __assert_fail ("getLangOpts().OpenMP", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1904, __PRETTY_FUNCTION__)); | |||
1905 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | |||
1906 | } | |||
1907 | ||||
1908 | bool Sema::isInOpenMPTargetExecutionDirective() const { | |||
1909 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
1910 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | |||
1911 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | |||
1912 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
1913 | SourceLocation) -> bool { | |||
1914 | return isOpenMPTargetExecutionDirective(K); | |||
1915 | }, | |||
1916 | false); | |||
1917 | } | |||
1918 | ||||
1919 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, | |||
1920 | unsigned StopAt) { | |||
1921 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1921, __PRETTY_FUNCTION__)); | |||
1922 | D = getCanonicalDecl(D); | |||
1923 | ||||
1924 | // If we want to determine whether the variable should be captured from the | |||
1925 | // perspective of the current capturing scope, and we've already left all the | |||
1926 | // capturing scopes of the top directive on the stack, check from the | |||
1927 | // perspective of its parent directive (if any) instead. | |||
1928 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( | |||
1929 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); | |||
1930 | ||||
1931 | // If we are attempting to capture a global variable in a directive with | |||
1932 | // 'target' we return true so that this global is also mapped to the device. | |||
1933 | // | |||
1934 | auto *VD = dyn_cast<VarDecl>(D); | |||
1935 | if (VD && !VD->hasLocalStorage() && | |||
1936 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { | |||
1937 | if (isInOpenMPDeclareTargetContext()) { | |||
1938 | // Try to mark variable as declare target if it is used in capturing | |||
1939 | // regions. | |||
1940 | if (LangOpts.OpenMP <= 45 && | |||
1941 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | |||
1942 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); | |||
1943 | return nullptr; | |||
1944 | } else if (isInOpenMPTargetExecutionDirective()) { | |||
1945 | // If the declaration is enclosed in a 'declare target' directive, | |||
1946 | // then it should not be captured. | |||
1947 | // | |||
1948 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | |||
1949 | return nullptr; | |||
1950 | return VD; | |||
1951 | } | |||
1952 | } | |||
1953 | ||||
1954 | if (CheckScopeInfo) { | |||
1955 | bool OpenMPFound = false; | |||
1956 | for (unsigned I = StopAt + 1; I > 0; --I) { | |||
1957 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; | |||
1958 | if(!isa<CapturingScopeInfo>(FSI)) | |||
1959 | return nullptr; | |||
1960 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | |||
1961 | if (RSI->CapRegionKind == CR_OpenMP) { | |||
1962 | OpenMPFound = true; | |||
1963 | break; | |||
1964 | } | |||
1965 | } | |||
1966 | if (!OpenMPFound) | |||
1967 | return nullptr; | |||
1968 | } | |||
1969 | ||||
1970 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | |||
1971 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | |||
1972 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | |||
1973 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | |||
1974 | if (Info.first || | |||
1975 | (VD && VD->hasLocalStorage() && | |||
1976 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | |||
1977 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | |||
1978 | return VD ? VD : Info.second; | |||
1979 | DSAStackTy::DSAVarData DVarPrivate = | |||
1980 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
1981 | if (DVarPrivate.CKind != OMPC_unknown && isOpenMPPrivate(DVarPrivate.CKind)) | |||
1982 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | |||
1983 | // Threadprivate variables must not be captured. | |||
1984 | if (isOpenMPThreadPrivate(DVarPrivate.CKind)) | |||
1985 | return nullptr; | |||
1986 | // The variable is not private or it is the variable in the directive with | |||
1987 | // default(none) clause and not used in any clause. | |||
1988 | DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA(D, isOpenMPPrivate, | |||
1989 | [](OpenMPDirectiveKind) { return true; }, | |||
1990 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
1991 | if (DVarPrivate.CKind != OMPC_unknown || | |||
1992 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none)) | |||
1993 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | |||
1994 | } | |||
1995 | return nullptr; | |||
1996 | } | |||
1997 | ||||
1998 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | |||
1999 | unsigned Level) const { | |||
2000 | SmallVector<OpenMPDirectiveKind, 4> Regions; | |||
2001 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
2002 | FunctionScopesIndex -= Regions.size(); | |||
2003 | } | |||
2004 | ||||
2005 | void Sema::startOpenMPLoop() { | |||
2006 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((LangOpts.OpenMP && "OpenMP must be enabled.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2006, __PRETTY_FUNCTION__)); | |||
2007 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | |||
2008 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); | |||
2009 | } | |||
2010 | ||||
2011 | bool Sema::isOpenMPPrivateDecl(const ValueDecl *D, unsigned Level) const { | |||
2012 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2012, __PRETTY_FUNCTION__)); | |||
2013 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
2014 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && | |||
2015 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { | |||
2016 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); | |||
2017 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | |||
2018 | return true; | |||
2019 | } | |||
2020 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || | |||
2021 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && | |||
2022 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2023 | D, [](OpenMPClauseKind K) { return K != OMPC_private; }, Level) && | |||
2024 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | |||
2025 | return true; | |||
2026 | } | |||
2027 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | |||
2028 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && | |||
2029 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && | |||
2030 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2031 | D, [](OpenMPClauseKind K) { return K == OMPC_copyin; }, Level)) | |||
2032 | return true; | |||
2033 | } | |||
2034 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2035 | D, [](OpenMPClauseKind K) { return K == OMPC_private; }, Level) || | |||
2036 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | |||
2037 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | |||
2038 | // Consider taskgroup reduction descriptor variable a private to avoid | |||
2039 | // possible capture in the region. | |||
2040 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | |||
2041 | [](OpenMPDirectiveKind K) { return K == OMPD_taskgroup; }, | |||
2042 | Level) && | |||
2043 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level)); | |||
2044 | } | |||
2045 | ||||
2046 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, | |||
2047 | unsigned Level) { | |||
2048 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2048, __PRETTY_FUNCTION__)); | |||
2049 | D = getCanonicalDecl(D); | |||
2050 | OpenMPClauseKind OMPC = OMPC_unknown; | |||
2051 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | |||
2052 | const unsigned NewLevel = I - 1; | |||
2053 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA(D, | |||
2054 | [&OMPC](const OpenMPClauseKind K) { | |||
2055 | if (isOpenMPPrivate(K)) { | |||
2056 | OMPC = K; | |||
2057 | return true; | |||
2058 | } | |||
2059 | return false; | |||
2060 | }, | |||
2061 | NewLevel)) | |||
2062 | break; | |||
2063 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
2064 | D, NewLevel, | |||
2065 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
2066 | OpenMPClauseKind) { return true; })) { | |||
2067 | OMPC = OMPC_map; | |||
2068 | break; | |||
2069 | } | |||
2070 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
2071 | NewLevel)) { | |||
2072 | OMPC = OMPC_map; | |||
2073 | if (D->getType()->isScalarType() && | |||
2074 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDMAAtLevel(NewLevel) != | |||
2075 | DefaultMapAttributes::DMA_tofrom_scalar) | |||
2076 | OMPC = OMPC_firstprivate; | |||
2077 | break; | |||
2078 | } | |||
2079 | } | |||
2080 | if (OMPC != OMPC_unknown) | |||
2081 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, OMPC)); | |||
2082 | } | |||
2083 | ||||
2084 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, | |||
2085 | unsigned Level) const { | |||
2086 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2086, __PRETTY_FUNCTION__)); | |||
2087 | // Return true if the current level is no longer enclosed in a target region. | |||
2088 | ||||
2089 | const auto *VD = dyn_cast<VarDecl>(D); | |||
2090 | return VD && !VD->hasLocalStorage() && | |||
2091 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
2092 | Level); | |||
2093 | } | |||
2094 | ||||
2095 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | |||
2096 | ||||
2097 | void Sema::finalizeOpenMPDelayedAnalysis() { | |||
2098 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")((LangOpts.OpenMP && "Expected OpenMP compilation mode." ) ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP compilation mode.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2098, __PRETTY_FUNCTION__)); | |||
2099 | // Diagnose implicit declare target functions and their callees. | |||
2100 | for (const auto &CallerCallees : DeviceCallGraph) { | |||
2101 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
2102 | OMPDeclareTargetDeclAttr::getDeviceType( | |||
2103 | CallerCallees.getFirst()->getMostRecentDecl()); | |||
2104 | // Ignore host functions during device analyzis. | |||
2105 | if (LangOpts.OpenMPIsDevice && DevTy && | |||
2106 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | |||
2107 | continue; | |||
2108 | // Ignore nohost functions during host analyzis. | |||
2109 | if (!LangOpts.OpenMPIsDevice && DevTy && | |||
2110 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | |||
2111 | continue; | |||
2112 | for (const std::pair<CanonicalDeclPtr<FunctionDecl>, SourceLocation> | |||
2113 | &Callee : CallerCallees.getSecond()) { | |||
2114 | const FunctionDecl *FD = Callee.first->getMostRecentDecl(); | |||
2115 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
2116 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
2117 | if (LangOpts.OpenMPIsDevice && DevTy && | |||
2118 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { | |||
2119 | // Diagnose host function called during device codegen. | |||
2120 | StringRef HostDevTy = getOpenMPSimpleClauseTypeName( | |||
2121 | OMPC_device_type, OMPC_DEVICE_TYPE_host); | |||
2122 | Diag(Callee.second, diag::err_omp_wrong_device_function_call) | |||
2123 | << HostDevTy << 0; | |||
2124 | Diag(FD->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | |||
2125 | diag::note_omp_marked_device_type_here) | |||
2126 | << HostDevTy; | |||
2127 | continue; | |||
2128 | } | |||
2129 | if (!LangOpts.OpenMPIsDevice && DevTy && | |||
2130 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { | |||
2131 | // Diagnose nohost function called during host codegen. | |||
2132 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | |||
2133 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | |||
2134 | Diag(Callee.second, diag::err_omp_wrong_device_function_call) | |||
2135 | << NoHostDevTy << 1; | |||
2136 | Diag(FD->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | |||
2137 | diag::note_omp_marked_device_type_here) | |||
2138 | << NoHostDevTy; | |||
2139 | continue; | |||
2140 | } | |||
2141 | } | |||
2142 | } | |||
2143 | } | |||
2144 | ||||
2145 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | |||
2146 | const DeclarationNameInfo &DirName, | |||
2147 | Scope *CurScope, SourceLocation Loc) { | |||
2148 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | |||
2149 | PushExpressionEvaluationContext( | |||
2150 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
2151 | } | |||
2152 | ||||
2153 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | |||
2154 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | |||
2155 | } | |||
2156 | ||||
2157 | void Sema::EndOpenMPClause() { | |||
2158 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | |||
2159 | } | |||
2160 | ||||
2161 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | |||
2162 | ArrayRef<OMPClause *> Clauses); | |||
2163 | ||||
2164 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | |||
2165 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | |||
2166 | // A variable of class type (or array thereof) that appears in a lastprivate | |||
2167 | // clause requires an accessible, unambiguous default constructor for the | |||
2168 | // class type, unless the list item is also specified in a firstprivate | |||
2169 | // clause. | |||
2170 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | |||
2171 | for (OMPClause *C : D->clauses()) { | |||
2172 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | |||
2173 | SmallVector<Expr *, 8> PrivateCopies; | |||
2174 | for (Expr *DE : Clause->varlists()) { | |||
2175 | if (DE->isValueDependent() || DE->isTypeDependent()) { | |||
2176 | PrivateCopies.push_back(nullptr); | |||
2177 | continue; | |||
2178 | } | |||
2179 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | |||
2180 | auto *VD = cast<VarDecl>(DRE->getDecl()); | |||
2181 | QualType Type = VD->getType().getNonReferenceType(); | |||
2182 | const DSAStackTy::DSAVarData DVar = | |||
2183 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | |||
2184 | if (DVar.CKind == OMPC_lastprivate) { | |||
2185 | // Generate helper private variable and initialize it with the | |||
2186 | // default value. The address of the original variable is replaced | |||
2187 | // by the address of the new private variable in CodeGen. This new | |||
2188 | // variable is not added to IdResolver, so the code in the OpenMP | |||
2189 | // region uses original variable for proper diagnostics. | |||
2190 | VarDecl *VDPrivate = buildVarDecl( | |||
2191 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | |||
2192 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); | |||
2193 | ActOnUninitializedDecl(VDPrivate); | |||
2194 | if (VDPrivate->isInvalidDecl()) { | |||
2195 | PrivateCopies.push_back(nullptr); | |||
2196 | continue; | |||
2197 | } | |||
2198 | PrivateCopies.push_back(buildDeclRefExpr( | |||
2199 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | |||
2200 | } else { | |||
2201 | // The variable is also a firstprivate, so initialization sequence | |||
2202 | // for private copy is generated already. | |||
2203 | PrivateCopies.push_back(nullptr); | |||
2204 | } | |||
2205 | } | |||
2206 | Clause->setPrivateCopies(PrivateCopies); | |||
2207 | } | |||
2208 | } | |||
2209 | // Check allocate clauses. | |||
2210 | if (!CurContext->isDependentContext()) | |||
2211 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | |||
2212 | } | |||
2213 | ||||
2214 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | |||
2215 | DiscardCleanupsInEvaluationContext(); | |||
2216 | PopExpressionEvaluationContext(); | |||
2217 | } | |||
2218 | ||||
2219 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
2220 | Expr *NumIterations, Sema &SemaRef, | |||
2221 | Scope *S, DSAStackTy *Stack); | |||
2222 | ||||
2223 | namespace { | |||
2224 | ||||
2225 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { | |||
2226 | private: | |||
2227 | Sema &SemaRef; | |||
2228 | ||||
2229 | public: | |||
2230 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
2231 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
2232 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
2233 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | |||
2234 | return VD->hasGlobalStorage() && | |||
2235 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
2236 | SemaRef.getCurScope()); | |||
2237 | } | |||
2238 | return false; | |||
2239 | } | |||
2240 | ||||
2241 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | |||
2242 | return std::make_unique<VarDeclFilterCCC>(*this); | |||
2243 | } | |||
2244 | ||||
2245 | }; | |||
2246 | ||||
2247 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { | |||
2248 | private: | |||
2249 | Sema &SemaRef; | |||
2250 | ||||
2251 | public: | |||
2252 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
2253 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
2254 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
2255 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || | |||
2256 | isa<FunctionDecl>(ND))) { | |||
2257 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
2258 | SemaRef.getCurScope()); | |||
2259 | } | |||
2260 | return false; | |||
2261 | } | |||
2262 | ||||
2263 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | |||
2264 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); | |||
2265 | } | |||
2266 | }; | |||
2267 | ||||
2268 | } // namespace | |||
2269 | ||||
2270 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | |||
2271 | CXXScopeSpec &ScopeSpec, | |||
2272 | const DeclarationNameInfo &Id, | |||
2273 | OpenMPDirectiveKind Kind) { | |||
2274 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
2275 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
2276 | ||||
2277 | if (Lookup.isAmbiguous()) | |||
2278 | return ExprError(); | |||
2279 | ||||
2280 | VarDecl *VD; | |||
2281 | if (!Lookup.isSingleResult()) { | |||
2282 | VarDeclFilterCCC CCC(*this); | |||
2283 | if (TypoCorrection Corrected = | |||
2284 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | |||
2285 | CTK_ErrorRecovery)) { | |||
2286 | diagnoseTypo(Corrected, | |||
2287 | PDiag(Lookup.empty() | |||
2288 | ? diag::err_undeclared_var_use_suggest | |||
2289 | : diag::err_omp_expected_var_arg_suggest) | |||
2290 | << Id.getName()); | |||
2291 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | |||
2292 | } else { | |||
2293 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | |||
2294 | : diag::err_omp_expected_var_arg) | |||
2295 | << Id.getName(); | |||
2296 | return ExprError(); | |||
2297 | } | |||
2298 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { | |||
2299 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | |||
2300 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | |||
2301 | return ExprError(); | |||
2302 | } | |||
2303 | Lookup.suppressDiagnostics(); | |||
2304 | ||||
2305 | // OpenMP [2.9.2, Syntax, C/C++] | |||
2306 | // Variables must be file-scope, namespace-scope, or static block-scope. | |||
2307 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { | |||
2308 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | |||
2309 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); | |||
2310 | bool IsDecl = | |||
2311 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2312 | Diag(VD->getLocation(), | |||
2313 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2314 | << VD; | |||
2315 | return ExprError(); | |||
2316 | } | |||
2317 | ||||
2318 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | |||
2319 | NamedDecl *ND = CanonicalVD; | |||
2320 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | |||
2321 | // A threadprivate directive for file-scope variables must appear outside | |||
2322 | // any definition or declaration. | |||
2323 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | |||
2324 | !getCurLexicalContext()->isTranslationUnit()) { | |||
2325 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2326 | << getOpenMPDirectiveName(Kind) << VD; | |||
2327 | bool IsDecl = | |||
2328 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2329 | Diag(VD->getLocation(), | |||
2330 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2331 | << VD; | |||
2332 | return ExprError(); | |||
2333 | } | |||
2334 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | |||
2335 | // A threadprivate directive for static class member variables must appear | |||
2336 | // in the class definition, in the same scope in which the member | |||
2337 | // variables are declared. | |||
2338 | if (CanonicalVD->isStaticDataMember() && | |||
2339 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | |||
2340 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2341 | << getOpenMPDirectiveName(Kind) << VD; | |||
2342 | bool IsDecl = | |||
2343 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2344 | Diag(VD->getLocation(), | |||
2345 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2346 | << VD; | |||
2347 | return ExprError(); | |||
2348 | } | |||
2349 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | |||
2350 | // A threadprivate directive for namespace-scope variables must appear | |||
2351 | // outside any definition or declaration other than the namespace | |||
2352 | // definition itself. | |||
2353 | if (CanonicalVD->getDeclContext()->isNamespace() && | |||
2354 | (!getCurLexicalContext()->isFileContext() || | |||
2355 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | |||
2356 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2357 | << getOpenMPDirectiveName(Kind) << VD; | |||
2358 | bool IsDecl = | |||
2359 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2360 | Diag(VD->getLocation(), | |||
2361 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2362 | << VD; | |||
2363 | return ExprError(); | |||
2364 | } | |||
2365 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | |||
2366 | // A threadprivate directive for static block-scope variables must appear | |||
2367 | // in the scope of the variable and not in a nested scope. | |||
2368 | if (CanonicalVD->isLocalVarDecl() && CurScope && | |||
2369 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | |||
2370 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2371 | << getOpenMPDirectiveName(Kind) << VD; | |||
2372 | bool IsDecl = | |||
2373 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2374 | Diag(VD->getLocation(), | |||
2375 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2376 | << VD; | |||
2377 | return ExprError(); | |||
2378 | } | |||
2379 | ||||
2380 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | |||
2381 | // A threadprivate directive must lexically precede all references to any | |||
2382 | // of the variables in its list. | |||
2383 | if (Kind == OMPD_threadprivate && VD->isUsed() && | |||
2384 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
2385 | Diag(Id.getLoc(), diag::err_omp_var_used) | |||
2386 | << getOpenMPDirectiveName(Kind) << VD; | |||
2387 | return ExprError(); | |||
2388 | } | |||
2389 | ||||
2390 | QualType ExprType = VD->getType().getNonReferenceType(); | |||
2391 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | |||
2392 | SourceLocation(), VD, | |||
2393 | /*RefersToEnclosingVariableOrCapture=*/false, | |||
2394 | Id.getLoc(), ExprType, VK_LValue); | |||
2395 | } | |||
2396 | ||||
2397 | Sema::DeclGroupPtrTy | |||
2398 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | |||
2399 | ArrayRef<Expr *> VarList) { | |||
2400 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | |||
2401 | CurContext->addDecl(D); | |||
2402 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
2403 | } | |||
2404 | return nullptr; | |||
2405 | } | |||
2406 | ||||
2407 | namespace { | |||
2408 | class LocalVarRefChecker final | |||
2409 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { | |||
2410 | Sema &SemaRef; | |||
2411 | ||||
2412 | public: | |||
2413 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
2414 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
2415 | if (VD->hasLocalStorage()) { | |||
2416 | SemaRef.Diag(E->getBeginLoc(), | |||
2417 | diag::err_omp_local_var_in_threadprivate_init) | |||
2418 | << E->getSourceRange(); | |||
2419 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | |||
2420 | << VD << VD->getSourceRange(); | |||
2421 | return true; | |||
2422 | } | |||
2423 | } | |||
2424 | return false; | |||
2425 | } | |||
2426 | bool VisitStmt(const Stmt *S) { | |||
2427 | for (const Stmt *Child : S->children()) { | |||
2428 | if (Child && Visit(Child)) | |||
2429 | return true; | |||
2430 | } | |||
2431 | return false; | |||
2432 | } | |||
2433 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | |||
2434 | }; | |||
2435 | } // namespace | |||
2436 | ||||
2437 | OMPThreadPrivateDecl * | |||
2438 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | |||
2439 | SmallVector<Expr *, 8> Vars; | |||
2440 | for (Expr *RefExpr : VarList) { | |||
2441 | auto *DE = cast<DeclRefExpr>(RefExpr); | |||
2442 | auto *VD = cast<VarDecl>(DE->getDecl()); | |||
2443 | SourceLocation ILoc = DE->getExprLoc(); | |||
2444 | ||||
2445 | // Mark variable as used. | |||
2446 | VD->setReferenced(); | |||
2447 | VD->markUsed(Context); | |||
2448 | ||||
2449 | QualType QType = VD->getType(); | |||
2450 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | |||
2451 | // It will be analyzed later. | |||
2452 | Vars.push_back(DE); | |||
2453 | continue; | |||
2454 | } | |||
2455 | ||||
2456 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
2457 | // A threadprivate variable must not have an incomplete type. | |||
2458 | if (RequireCompleteType(ILoc, VD->getType(), | |||
2459 | diag::err_omp_threadprivate_incomplete_type)) { | |||
2460 | continue; | |||
2461 | } | |||
2462 | ||||
2463 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
2464 | // A threadprivate variable must not have a reference type. | |||
2465 | if (VD->getType()->isReferenceType()) { | |||
2466 | Diag(ILoc, diag::err_omp_ref_type_arg) | |||
2467 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | |||
2468 | bool IsDecl = | |||
2469 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2470 | Diag(VD->getLocation(), | |||
2471 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2472 | << VD; | |||
2473 | continue; | |||
2474 | } | |||
2475 | ||||
2476 | // Check if this is a TLS variable. If TLS is not being supported, produce | |||
2477 | // the corresponding diagnostic. | |||
2478 | if ((VD->getTLSKind() != VarDecl::TLS_None && | |||
2479 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
2480 | getLangOpts().OpenMPUseTLS && | |||
2481 | getASTContext().getTargetInfo().isTLSSupported())) || | |||
2482 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | |||
2483 | !VD->isLocalVarDecl())) { | |||
2484 | Diag(ILoc, diag::err_omp_var_thread_local) | |||
2485 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | |||
2486 | bool IsDecl = | |||
2487 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2488 | Diag(VD->getLocation(), | |||
2489 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2490 | << VD; | |||
2491 | continue; | |||
2492 | } | |||
2493 | ||||
2494 | // Check if initial value of threadprivate variable reference variable with | |||
2495 | // local storage (it is not supported by runtime). | |||
2496 | if (const Expr *Init = VD->getAnyInitializer()) { | |||
2497 | LocalVarRefChecker Checker(*this); | |||
2498 | if (Checker.Visit(Init)) | |||
2499 | continue; | |||
2500 | } | |||
2501 | ||||
2502 | Vars.push_back(RefExpr); | |||
2503 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | |||
2504 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | |||
2505 | Context, SourceRange(Loc, Loc))); | |||
2506 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
2507 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | |||
2508 | } | |||
2509 | OMPThreadPrivateDecl *D = nullptr; | |||
2510 | if (!Vars.empty()) { | |||
2511 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | |||
2512 | Vars); | |||
2513 | D->setAccess(AS_public); | |||
2514 | } | |||
2515 | return D; | |||
2516 | } | |||
2517 | ||||
2518 | static OMPAllocateDeclAttr::AllocatorTypeTy | |||
2519 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { | |||
2520 | if (!Allocator) | |||
2521 | return OMPAllocateDeclAttr::OMPDefaultMemAlloc; | |||
2522 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || | |||
2523 | Allocator->isInstantiationDependent() || | |||
2524 | Allocator->containsUnexpandedParameterPack()) | |||
2525 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | |||
2526 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | |||
2527 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | |||
2528 | for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; | |||
2529 | I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | |||
2530 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | |||
2531 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); | |||
2532 | llvm::FoldingSetNodeID AEId, DAEId; | |||
2533 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); | |||
2534 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); | |||
2535 | if (AEId == DAEId) { | |||
2536 | AllocatorKindRes = AllocatorKind; | |||
2537 | break; | |||
2538 | } | |||
2539 | } | |||
2540 | return AllocatorKindRes; | |||
2541 | } | |||
2542 | ||||
2543 | static bool checkPreviousOMPAllocateAttribute( | |||
2544 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, | |||
2545 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { | |||
2546 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) | |||
2547 | return false; | |||
2548 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | |||
2549 | Expr *PrevAllocator = A->getAllocator(); | |||
2550 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = | |||
2551 | getAllocatorKind(S, Stack, PrevAllocator); | |||
2552 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; | |||
2553 | if (AllocatorsMatch && | |||
2554 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && | |||
2555 | Allocator && PrevAllocator) { | |||
2556 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | |||
2557 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); | |||
2558 | llvm::FoldingSetNodeID AEId, PAEId; | |||
2559 | AE->Profile(AEId, S.Context, /*Canonical=*/true); | |||
2560 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); | |||
2561 | AllocatorsMatch = AEId == PAEId; | |||
2562 | } | |||
2563 | if (!AllocatorsMatch) { | |||
2564 | SmallString<256> AllocatorBuffer; | |||
2565 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); | |||
2566 | if (Allocator) | |||
2567 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); | |||
2568 | SmallString<256> PrevAllocatorBuffer; | |||
2569 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); | |||
2570 | if (PrevAllocator) | |||
2571 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, | |||
2572 | S.getPrintingPolicy()); | |||
2573 | ||||
2574 | SourceLocation AllocatorLoc = | |||
2575 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); | |||
2576 | SourceRange AllocatorRange = | |||
2577 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); | |||
2578 | SourceLocation PrevAllocatorLoc = | |||
2579 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); | |||
2580 | SourceRange PrevAllocatorRange = | |||
2581 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); | |||
2582 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) | |||
2583 | << (Allocator ? 1 : 0) << AllocatorStream.str() | |||
2584 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() | |||
2585 | << AllocatorRange; | |||
2586 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) | |||
2587 | << PrevAllocatorRange; | |||
2588 | return true; | |||
2589 | } | |||
2590 | return false; | |||
2591 | } | |||
2592 | ||||
2593 | static void | |||
2594 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, | |||
2595 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | |||
2596 | Expr *Allocator, SourceRange SR) { | |||
2597 | if (VD->hasAttr<OMPAllocateDeclAttr>()) | |||
2598 | return; | |||
2599 | if (Allocator && | |||
2600 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || | |||
2601 | Allocator->isInstantiationDependent() || | |||
2602 | Allocator->containsUnexpandedParameterPack())) | |||
2603 | return; | |||
2604 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, | |||
2605 | Allocator, SR); | |||
2606 | VD->addAttr(A); | |||
2607 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) | |||
2608 | ML->DeclarationMarkedOpenMPAllocate(VD, A); | |||
2609 | } | |||
2610 | ||||
2611 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( | |||
2612 | SourceLocation Loc, ArrayRef<Expr *> VarList, | |||
2613 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { | |||
2614 | assert(Clauses.size() <= 1 && "Expected at most one clause.")((Clauses.size() <= 1 && "Expected at most one clause." ) ? static_cast<void> (0) : __assert_fail ("Clauses.size() <= 1 && \"Expected at most one clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2614, __PRETTY_FUNCTION__)); | |||
2615 | Expr *Allocator = nullptr; | |||
2616 | if (Clauses.empty()) { | |||
2617 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. | |||
2618 | // allocate directives that appear in a target region must specify an | |||
2619 | // allocator clause unless a requires directive with the dynamic_allocators | |||
2620 | // clause is present in the same compilation unit. | |||
2621 | if (LangOpts.OpenMPIsDevice && | |||
2622 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | |||
2623 | targetDiag(Loc, diag::err_expected_allocator_clause); | |||
2624 | } else { | |||
2625 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); | |||
2626 | } | |||
2627 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | |||
2628 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); | |||
2629 | SmallVector<Expr *, 8> Vars; | |||
2630 | for (Expr *RefExpr : VarList) { | |||
2631 | auto *DE = cast<DeclRefExpr>(RefExpr); | |||
2632 | auto *VD = cast<VarDecl>(DE->getDecl()); | |||
2633 | ||||
2634 | // Check if this is a TLS variable or global register. | |||
2635 | if (VD->getTLSKind() != VarDecl::TLS_None || | |||
2636 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || | |||
2637 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | |||
2638 | !VD->isLocalVarDecl())) | |||
2639 | continue; | |||
2640 | ||||
2641 | // If the used several times in the allocate directive, the same allocator | |||
2642 | // must be used. | |||
2643 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, | |||
2644 | AllocatorKind, Allocator)) | |||
2645 | continue; | |||
2646 | ||||
2647 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ | |||
2648 | // If a list item has a static storage type, the allocator expression in the | |||
2649 | // allocator clause must be a constant expression that evaluates to one of | |||
2650 | // the predefined memory allocator values. | |||
2651 | if (Allocator && VD->hasGlobalStorage()) { | |||
2652 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { | |||
2653 | Diag(Allocator->getExprLoc(), | |||
2654 | diag::err_omp_expected_predefined_allocator) | |||
2655 | << Allocator->getSourceRange(); | |||
2656 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == | |||
2657 | VarDecl::DeclarationOnly; | |||
2658 | Diag(VD->getLocation(), | |||
2659 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2660 | << VD; | |||
2661 | continue; | |||
2662 | } | |||
2663 | } | |||
2664 | ||||
2665 | Vars.push_back(RefExpr); | |||
2666 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, | |||
2667 | DE->getSourceRange()); | |||
2668 | } | |||
2669 | if (Vars.empty()) | |||
2670 | return nullptr; | |||
2671 | if (!Owner) | |||
2672 | Owner = getCurLexicalContext(); | |||
2673 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); | |||
2674 | D->setAccess(AS_public); | |||
2675 | Owner->addDecl(D); | |||
2676 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
2677 | } | |||
2678 | ||||
2679 | Sema::DeclGroupPtrTy | |||
2680 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, | |||
2681 | ArrayRef<OMPClause *> ClauseList) { | |||
2682 | OMPRequiresDecl *D = nullptr; | |||
2683 | if (!CurContext->isFileContext()) { | |||
2684 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; | |||
2685 | } else { | |||
2686 | D = CheckOMPRequiresDecl(Loc, ClauseList); | |||
2687 | if (D) { | |||
2688 | CurContext->addDecl(D); | |||
2689 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); | |||
2690 | } | |||
2691 | } | |||
2692 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
2693 | } | |||
2694 | ||||
2695 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, | |||
2696 | ArrayRef<OMPClause *> ClauseList) { | |||
2697 | /// For target specific clauses, the requires directive cannot be | |||
2698 | /// specified after the handling of any of the target regions in the | |||
2699 | /// current compilation unit. | |||
2700 | ArrayRef<SourceLocation> TargetLocations = | |||
2701 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); | |||
2702 | if (!TargetLocations.empty()) { | |||
2703 | for (const OMPClause *CNew : ClauseList) { | |||
2704 | // Check if any of the requires clauses affect target regions. | |||
2705 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || | |||
2706 | isa<OMPUnifiedAddressClause>(CNew) || | |||
2707 | isa<OMPReverseOffloadClause>(CNew) || | |||
2708 | isa<OMPDynamicAllocatorsClause>(CNew)) { | |||
2709 | Diag(Loc, diag::err_omp_target_before_requires) | |||
2710 | << getOpenMPClauseName(CNew->getClauseKind()); | |||
2711 | for (SourceLocation TargetLoc : TargetLocations) { | |||
2712 | Diag(TargetLoc, diag::note_omp_requires_encountered_target); | |||
2713 | } | |||
2714 | } | |||
2715 | } | |||
2716 | } | |||
2717 | ||||
2718 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) | |||
2719 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, | |||
2720 | ClauseList); | |||
2721 | return nullptr; | |||
2722 | } | |||
2723 | ||||
2724 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | |||
2725 | const ValueDecl *D, | |||
2726 | const DSAStackTy::DSAVarData &DVar, | |||
2727 | bool IsLoopIterVar = false) { | |||
2728 | if (DVar.RefExpr) { | |||
2729 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | |||
2730 | << getOpenMPClauseName(DVar.CKind); | |||
2731 | return; | |||
2732 | } | |||
2733 | enum { | |||
2734 | PDSA_StaticMemberShared, | |||
2735 | PDSA_StaticLocalVarShared, | |||
2736 | PDSA_LoopIterVarPrivate, | |||
2737 | PDSA_LoopIterVarLinear, | |||
2738 | PDSA_LoopIterVarLastprivate, | |||
2739 | PDSA_ConstVarShared, | |||
2740 | PDSA_GlobalVarShared, | |||
2741 | PDSA_TaskVarFirstprivate, | |||
2742 | PDSA_LocalVarPrivate, | |||
2743 | PDSA_Implicit | |||
2744 | } Reason = PDSA_Implicit; | |||
2745 | bool ReportHint = false; | |||
2746 | auto ReportLoc = D->getLocation(); | |||
2747 | auto *VD = dyn_cast<VarDecl>(D); | |||
2748 | if (IsLoopIterVar) { | |||
2749 | if (DVar.CKind == OMPC_private) | |||
2750 | Reason = PDSA_LoopIterVarPrivate; | |||
2751 | else if (DVar.CKind == OMPC_lastprivate) | |||
2752 | Reason = PDSA_LoopIterVarLastprivate; | |||
2753 | else | |||
2754 | Reason = PDSA_LoopIterVarLinear; | |||
2755 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | |||
2756 | DVar.CKind == OMPC_firstprivate) { | |||
2757 | Reason = PDSA_TaskVarFirstprivate; | |||
2758 | ReportLoc = DVar.ImplicitDSALoc; | |||
2759 | } else if (VD && VD->isStaticLocal()) | |||
2760 | Reason = PDSA_StaticLocalVarShared; | |||
2761 | else if (VD && VD->isStaticDataMember()) | |||
2762 | Reason = PDSA_StaticMemberShared; | |||
2763 | else if (VD && VD->isFileVarDecl()) | |||
2764 | Reason = PDSA_GlobalVarShared; | |||
2765 | else if (D->getType().isConstant(SemaRef.getASTContext())) | |||
2766 | Reason = PDSA_ConstVarShared; | |||
2767 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | |||
2768 | ReportHint = true; | |||
2769 | Reason = PDSA_LocalVarPrivate; | |||
2770 | } | |||
2771 | if (Reason != PDSA_Implicit) { | |||
2772 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | |||
2773 | << Reason << ReportHint | |||
2774 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | |||
2775 | } else if (DVar.ImplicitDSALoc.isValid()) { | |||
2776 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | |||
2777 | << getOpenMPClauseName(DVar.CKind); | |||
2778 | } | |||
2779 | } | |||
2780 | ||||
2781 | namespace { | |||
2782 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { | |||
2783 | DSAStackTy *Stack; | |||
2784 | Sema &SemaRef; | |||
2785 | bool ErrorFound = false; | |||
2786 | CapturedStmt *CS = nullptr; | |||
2787 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; | |||
2788 | llvm::SmallVector<Expr *, 4> ImplicitMap; | |||
2789 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; | |||
2790 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; | |||
2791 | ||||
2792 | void VisitSubCaptures(OMPExecutableDirective *S) { | |||
2793 | // Check implicitly captured variables. | |||
2794 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) | |||
2795 | return; | |||
2796 | visitSubCaptures(S->getInnermostCapturedStmt()); | |||
2797 | } | |||
2798 | ||||
2799 | public: | |||
2800 | void VisitDeclRefExpr(DeclRefExpr *E) { | |||
2801 | if (E->isTypeDependent() || E->isValueDependent() || | |||
2802 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | |||
2803 | return; | |||
2804 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
2805 | // Check the datasharing rules for the expressions in the clauses. | |||
2806 | if (!CS) { | |||
2807 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) | |||
2808 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { | |||
2809 | Visit(CED->getInit()); | |||
2810 | return; | |||
2811 | } | |||
2812 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) | |||
2813 | // Do not analyze internal variables and do not enclose them into | |||
2814 | // implicit clauses. | |||
2815 | return; | |||
2816 | VD = VD->getCanonicalDecl(); | |||
2817 | // Skip internally declared variables. | |||
2818 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD)) | |||
2819 | return; | |||
2820 | ||||
2821 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
2822 | // Check if the variable has explicit DSA set and stop analysis if it so. | |||
2823 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | |||
2824 | return; | |||
2825 | ||||
2826 | // Skip internally declared static variables. | |||
2827 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
2828 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
2829 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && | |||
2830 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | |||
2831 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link)) | |||
2832 | return; | |||
2833 | ||||
2834 | SourceLocation ELoc = E->getExprLoc(); | |||
2835 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | |||
2836 | // The default(none) clause requires that each variable that is referenced | |||
2837 | // in the construct, and does not have a predetermined data-sharing | |||
2838 | // attribute, must have its data-sharing attribute explicitly determined | |||
2839 | // by being listed in a data-sharing attribute clause. | |||
2840 | if (DVar.CKind == OMPC_unknown && Stack->getDefaultDSA() == DSA_none && | |||
2841 | isImplicitOrExplicitTaskingRegion(DKind) && | |||
2842 | VarsWithInheritedDSA.count(VD) == 0) { | |||
2843 | VarsWithInheritedDSA[VD] = E; | |||
2844 | return; | |||
2845 | } | |||
2846 | ||||
2847 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
2848 | !Stack->isLoopControlVariable(VD).first) { | |||
2849 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
2850 | VD, /*CurrentRegionOnly=*/true, | |||
2851 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
2852 | StackComponents, | |||
2853 | OpenMPClauseKind) { | |||
2854 | // Variable is used if it has been marked as an array, array | |||
2855 | // section or the variable iself. | |||
2856 | return StackComponents.size() == 1 || | |||
2857 | std::all_of( | |||
2858 | std::next(StackComponents.rbegin()), | |||
2859 | StackComponents.rend(), | |||
2860 | [](const OMPClauseMappableExprCommon:: | |||
2861 | MappableComponent &MC) { | |||
2862 | return MC.getAssociatedDeclaration() == | |||
2863 | nullptr && | |||
2864 | (isa<OMPArraySectionExpr>( | |||
2865 | MC.getAssociatedExpression()) || | |||
2866 | isa<ArraySubscriptExpr>( | |||
2867 | MC.getAssociatedExpression())); | |||
2868 | }); | |||
2869 | })) { | |||
2870 | bool IsFirstprivate = false; | |||
2871 | // By default lambdas are captured as firstprivates. | |||
2872 | if (const auto *RD = | |||
2873 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | |||
2874 | IsFirstprivate = RD->isLambda(); | |||
2875 | IsFirstprivate = | |||
2876 | IsFirstprivate || | |||
2877 | (VD->getType().getNonReferenceType()->isScalarType() && | |||
2878 | Stack->getDefaultDMA() != DMA_tofrom_scalar && !Res); | |||
2879 | if (IsFirstprivate) | |||
2880 | ImplicitFirstprivate.emplace_back(E); | |||
2881 | else | |||
2882 | ImplicitMap.emplace_back(E); | |||
2883 | return; | |||
2884 | } | |||
2885 | } | |||
2886 | ||||
2887 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
2888 | // A list item that appears in a reduction clause of the innermost | |||
2889 | // enclosing worksharing or parallel construct may not be accessed in an | |||
2890 | // explicit task. | |||
2891 | DVar = Stack->hasInnermostDSA( | |||
2892 | VD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | |||
2893 | [](OpenMPDirectiveKind K) { | |||
2894 | return isOpenMPParallelDirective(K) || | |||
2895 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
2896 | }, | |||
2897 | /*FromParent=*/true); | |||
2898 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
2899 | ErrorFound = true; | |||
2900 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
2901 | reportOriginalDsa(SemaRef, Stack, VD, DVar); | |||
2902 | return; | |||
2903 | } | |||
2904 | ||||
2905 | // Define implicit data-sharing attributes for task. | |||
2906 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); | |||
2907 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | |||
2908 | !Stack->isLoopControlVariable(VD).first) { | |||
2909 | ImplicitFirstprivate.push_back(E); | |||
2910 | return; | |||
2911 | } | |||
2912 | ||||
2913 | // Store implicitly used globals with declare target link for parent | |||
2914 | // target. | |||
2915 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && | |||
2916 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { | |||
2917 | Stack->addToParentTargetRegionLinkGlobals(E); | |||
2918 | return; | |||
2919 | } | |||
2920 | } | |||
2921 | } | |||
2922 | void VisitMemberExpr(MemberExpr *E) { | |||
2923 | if (E->isTypeDependent() || E->isValueDependent() || | |||
2924 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | |||
2925 | return; | |||
2926 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | |||
2927 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | |||
2928 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParens())) { | |||
2929 | if (!FD) | |||
2930 | return; | |||
2931 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); | |||
2932 | // Check if the variable has explicit DSA set and stop analysis if it | |||
2933 | // so. | |||
2934 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | |||
2935 | return; | |||
2936 | ||||
2937 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
2938 | !Stack->isLoopControlVariable(FD).first && | |||
2939 | !Stack->checkMappableExprComponentListsForDecl( | |||
2940 | FD, /*CurrentRegionOnly=*/true, | |||
2941 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
2942 | StackComponents, | |||
2943 | OpenMPClauseKind) { | |||
2944 | return isa<CXXThisExpr>( | |||
2945 | cast<MemberExpr>( | |||
2946 | StackComponents.back().getAssociatedExpression()) | |||
2947 | ->getBase() | |||
2948 | ->IgnoreParens()); | |||
2949 | })) { | |||
2950 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
2951 | // A bit-field cannot appear in a map clause. | |||
2952 | // | |||
2953 | if (FD->isBitField()) | |||
2954 | return; | |||
2955 | ||||
2956 | // Check to see if the member expression is referencing a class that | |||
2957 | // has already been explicitly mapped | |||
2958 | if (Stack->isClassPreviouslyMapped(TE->getType())) | |||
2959 | return; | |||
2960 | ||||
2961 | ImplicitMap.emplace_back(E); | |||
2962 | return; | |||
2963 | } | |||
2964 | ||||
2965 | SourceLocation ELoc = E->getExprLoc(); | |||
2966 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
2967 | // A list item that appears in a reduction clause of the innermost | |||
2968 | // enclosing worksharing or parallel construct may not be accessed in | |||
2969 | // an explicit task. | |||
2970 | DVar = Stack->hasInnermostDSA( | |||
2971 | FD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | |||
2972 | [](OpenMPDirectiveKind K) { | |||
2973 | return isOpenMPParallelDirective(K) || | |||
2974 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
2975 | }, | |||
2976 | /*FromParent=*/true); | |||
2977 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
2978 | ErrorFound = true; | |||
2979 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
2980 | reportOriginalDsa(SemaRef, Stack, FD, DVar); | |||
2981 | return; | |||
2982 | } | |||
2983 | ||||
2984 | // Define implicit data-sharing attributes for task. | |||
2985 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); | |||
2986 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | |||
2987 | !Stack->isLoopControlVariable(FD).first) { | |||
2988 | // Check if there is a captured expression for the current field in the | |||
2989 | // region. Do not mark it as firstprivate unless there is no captured | |||
2990 | // expression. | |||
2991 | // TODO: try to make it firstprivate. | |||
2992 | if (DVar.CKind != OMPC_unknown) | |||
2993 | ImplicitFirstprivate.push_back(E); | |||
2994 | } | |||
2995 | return; | |||
2996 | } | |||
2997 | if (isOpenMPTargetExecutionDirective(DKind)) { | |||
2998 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
2999 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | |||
3000 | /*NoDiagnose=*/true)) | |||
3001 | return; | |||
3002 | const auto *VD = cast<ValueDecl>( | |||
3003 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | |||
3004 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
3005 | VD, /*CurrentRegionOnly=*/true, | |||
3006 | [&CurComponents]( | |||
3007 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
3008 | StackComponents, | |||
3009 | OpenMPClauseKind) { | |||
3010 | auto CCI = CurComponents.rbegin(); | |||
3011 | auto CCE = CurComponents.rend(); | |||
3012 | for (const auto &SC : llvm::reverse(StackComponents)) { | |||
3013 | // Do both expressions have the same kind? | |||
3014 | if (CCI->getAssociatedExpression()->getStmtClass() != | |||
3015 | SC.getAssociatedExpression()->getStmtClass()) | |||
3016 | if (!(isa<OMPArraySectionExpr>( | |||
3017 | SC.getAssociatedExpression()) && | |||
3018 | isa<ArraySubscriptExpr>( | |||
3019 | CCI->getAssociatedExpression()))) | |||
3020 | return false; | |||
3021 | ||||
3022 | const Decl *CCD = CCI->getAssociatedDeclaration(); | |||
3023 | const Decl *SCD = SC.getAssociatedDeclaration(); | |||
3024 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | |||
3025 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | |||
3026 | if (SCD != CCD) | |||
3027 | return false; | |||
3028 | std::advance(CCI, 1); | |||
3029 | if (CCI == CCE) | |||
3030 | break; | |||
3031 | } | |||
3032 | return true; | |||
3033 | })) { | |||
3034 | Visit(E->getBase()); | |||
3035 | } | |||
3036 | } else { | |||
3037 | Visit(E->getBase()); | |||
3038 | } | |||
3039 | } | |||
3040 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | |||
3041 | for (OMPClause *C : S->clauses()) { | |||
3042 | // Skip analysis of arguments of implicitly defined firstprivate clause | |||
3043 | // for task|target directives. | |||
3044 | // Skip analysis of arguments of implicitly defined map clause for target | |||
3045 | // directives. | |||
3046 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | |||
3047 | C->isImplicit())) { | |||
3048 | for (Stmt *CC : C->children()) { | |||
3049 | if (CC) | |||
3050 | Visit(CC); | |||
3051 | } | |||
3052 | } | |||
3053 | } | |||
3054 | // Check implicitly captured variables. | |||
3055 | VisitSubCaptures(S); | |||
3056 | } | |||
3057 | void VisitStmt(Stmt *S) { | |||
3058 | for (Stmt *C : S->children()) { | |||
3059 | if (C) { | |||
3060 | // Check implicitly captured variables in the task-based directives to | |||
3061 | // check if they must be firstprivatized. | |||
3062 | Visit(C); | |||
3063 | } | |||
3064 | } | |||
3065 | } | |||
3066 | ||||
3067 | void visitSubCaptures(CapturedStmt *S) { | |||
3068 | for (const CapturedStmt::Capture &Cap : S->captures()) { | |||
3069 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) | |||
3070 | continue; | |||
3071 | VarDecl *VD = Cap.getCapturedVar(); | |||
3072 | // Do not try to map the variable if it or its sub-component was mapped | |||
3073 | // already. | |||
3074 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | |||
3075 | Stack->checkMappableExprComponentListsForDecl( | |||
3076 | VD, /*CurrentRegionOnly=*/true, | |||
3077 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
3078 | OpenMPClauseKind) { return true; })) | |||
3079 | continue; | |||
3080 | DeclRefExpr *DRE = buildDeclRefExpr( | |||
3081 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), | |||
3082 | Cap.getLocation(), /*RefersToCapture=*/true); | |||
3083 | Visit(DRE); | |||
3084 | } | |||
3085 | } | |||
3086 | bool isErrorFound() const { return ErrorFound; } | |||
3087 | ArrayRef<Expr *> getImplicitFirstprivate() const { | |||
3088 | return ImplicitFirstprivate; | |||
3089 | } | |||
3090 | ArrayRef<Expr *> getImplicitMap() const { return ImplicitMap; } | |||
3091 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { | |||
3092 | return VarsWithInheritedDSA; | |||
3093 | } | |||
3094 | ||||
3095 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | |||
3096 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { | |||
3097 | // Process declare target link variables for the target directives. | |||
3098 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { | |||
3099 | for (DeclRefExpr *E : Stack->getLinkGlobals()) | |||
3100 | Visit(E); | |||
3101 | } | |||
3102 | } | |||
3103 | }; | |||
3104 | } // namespace | |||
3105 | ||||
3106 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | |||
3107 | switch (DKind) { | |||
3108 | case OMPD_parallel: | |||
3109 | case OMPD_parallel_for: | |||
3110 | case OMPD_parallel_for_simd: | |||
3111 | case OMPD_parallel_sections: | |||
3112 | case OMPD_teams: | |||
3113 | case OMPD_teams_distribute: | |||
3114 | case OMPD_teams_distribute_simd: { | |||
3115 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3116 | QualType KmpInt32PtrTy = | |||
3117 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3118 | Sema::CapturedParamNameType Params[] = { | |||
3119 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3120 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3121 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3122 | }; | |||
3123 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3124 | Params); | |||
3125 | break; | |||
3126 | } | |||
3127 | case OMPD_target_teams: | |||
3128 | case OMPD_target_parallel: | |||
3129 | case OMPD_target_parallel_for: | |||
3130 | case OMPD_target_parallel_for_simd: | |||
3131 | case OMPD_target_teams_distribute: | |||
3132 | case OMPD_target_teams_distribute_simd: { | |||
3133 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3134 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3135 | QualType KmpInt32PtrTy = | |||
3136 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3137 | QualType Args[] = {VoidPtrTy}; | |||
3138 | FunctionProtoType::ExtProtoInfo EPI; | |||
3139 | EPI.Variadic = true; | |||
3140 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3141 | Sema::CapturedParamNameType Params[] = { | |||
3142 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3143 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3144 | std::make_pair(".privates.", VoidPtrTy), | |||
3145 | std::make_pair( | |||
3146 | ".copy_fn.", | |||
3147 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3148 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3149 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3150 | }; | |||
3151 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3152 | Params, /*OpenMPCaptureLevel=*/0); | |||
3153 | // Mark this captured region as inlined, because we don't use outlined | |||
3154 | // function directly. | |||
3155 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3156 | AlwaysInlineAttr::CreateImplicit( | |||
3157 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3158 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3159 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
3160 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3161 | }; | |||
3162 | // Start a captured region for 'target' with no implicit parameters. | |||
3163 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3164 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | |||
3165 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | |||
3166 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3167 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3168 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3169 | }; | |||
3170 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
3171 | // the same implicit parameters. | |||
3172 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3173 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); | |||
3174 | break; | |||
3175 | } | |||
3176 | case OMPD_target: | |||
3177 | case OMPD_target_simd: { | |||
3178 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3179 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3180 | QualType KmpInt32PtrTy = | |||
3181 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3182 | QualType Args[] = {VoidPtrTy}; | |||
3183 | FunctionProtoType::ExtProtoInfo EPI; | |||
3184 | EPI.Variadic = true; | |||
3185 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3186 | Sema::CapturedParamNameType Params[] = { | |||
3187 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3188 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3189 | std::make_pair(".privates.", VoidPtrTy), | |||
3190 | std::make_pair( | |||
3191 | ".copy_fn.", | |||
3192 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3193 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3194 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3195 | }; | |||
3196 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3197 | Params, /*OpenMPCaptureLevel=*/0); | |||
3198 | // Mark this captured region as inlined, because we don't use outlined | |||
3199 | // function directly. | |||
3200 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3201 | AlwaysInlineAttr::CreateImplicit( | |||
3202 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3203 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3204 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3205 | std::make_pair(StringRef(), QualType()), | |||
3206 | /*OpenMPCaptureLevel=*/1); | |||
3207 | break; | |||
3208 | } | |||
3209 | case OMPD_simd: | |||
3210 | case OMPD_for: | |||
3211 | case OMPD_for_simd: | |||
3212 | case OMPD_sections: | |||
3213 | case OMPD_section: | |||
3214 | case OMPD_single: | |||
3215 | case OMPD_master: | |||
3216 | case OMPD_critical: | |||
3217 | case OMPD_taskgroup: | |||
3218 | case OMPD_distribute: | |||
3219 | case OMPD_distribute_simd: | |||
3220 | case OMPD_ordered: | |||
3221 | case OMPD_atomic: | |||
3222 | case OMPD_target_data: { | |||
3223 | Sema::CapturedParamNameType Params[] = { | |||
3224 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3225 | }; | |||
3226 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3227 | Params); | |||
3228 | break; | |||
3229 | } | |||
3230 | case OMPD_task: { | |||
3231 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3232 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3233 | QualType KmpInt32PtrTy = | |||
3234 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3235 | QualType Args[] = {VoidPtrTy}; | |||
3236 | FunctionProtoType::ExtProtoInfo EPI; | |||
3237 | EPI.Variadic = true; | |||
3238 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3239 | Sema::CapturedParamNameType Params[] = { | |||
3240 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3241 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3242 | std::make_pair(".privates.", VoidPtrTy), | |||
3243 | std::make_pair( | |||
3244 | ".copy_fn.", | |||
3245 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3246 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3247 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3248 | }; | |||
3249 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3250 | Params); | |||
3251 | // Mark this captured region as inlined, because we don't use outlined | |||
3252 | // function directly. | |||
3253 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3254 | AlwaysInlineAttr::CreateImplicit( | |||
3255 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3256 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3257 | break; | |||
3258 | } | |||
3259 | case OMPD_taskloop: | |||
3260 | case OMPD_taskloop_simd: { | |||
3261 | QualType KmpInt32Ty = | |||
3262 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | |||
3263 | .withConst(); | |||
3264 | QualType KmpUInt64Ty = | |||
3265 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | |||
3266 | .withConst(); | |||
3267 | QualType KmpInt64Ty = | |||
3268 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | |||
3269 | .withConst(); | |||
3270 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3271 | QualType KmpInt32PtrTy = | |||
3272 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3273 | QualType Args[] = {VoidPtrTy}; | |||
3274 | FunctionProtoType::ExtProtoInfo EPI; | |||
3275 | EPI.Variadic = true; | |||
3276 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3277 | Sema::CapturedParamNameType Params[] = { | |||
3278 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3279 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3280 | std::make_pair(".privates.", VoidPtrTy), | |||
3281 | std::make_pair( | |||
3282 | ".copy_fn.", | |||
3283 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3284 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3285 | std::make_pair(".lb.", KmpUInt64Ty), | |||
3286 | std::make_pair(".ub.", KmpUInt64Ty), | |||
3287 | std::make_pair(".st.", KmpInt64Ty), | |||
3288 | std::make_pair(".liter.", KmpInt32Ty), | |||
3289 | std::make_pair(".reductions.", VoidPtrTy), | |||
3290 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3291 | }; | |||
3292 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3293 | Params); | |||
3294 | // Mark this captured region as inlined, because we don't use outlined | |||
3295 | // function directly. | |||
3296 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3297 | AlwaysInlineAttr::CreateImplicit( | |||
3298 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3299 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3300 | break; | |||
3301 | } | |||
3302 | case OMPD_distribute_parallel_for_simd: | |||
3303 | case OMPD_distribute_parallel_for: { | |||
3304 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3305 | QualType KmpInt32PtrTy = | |||
3306 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3307 | Sema::CapturedParamNameType Params[] = { | |||
3308 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3309 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3310 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
3311 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
3312 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3313 | }; | |||
3314 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3315 | Params); | |||
3316 | break; | |||
3317 | } | |||
3318 | case OMPD_target_teams_distribute_parallel_for: | |||
3319 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
3320 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3321 | QualType KmpInt32PtrTy = | |||
3322 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3323 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3324 | ||||
3325 | QualType Args[] = {VoidPtrTy}; | |||
3326 | FunctionProtoType::ExtProtoInfo EPI; | |||
3327 | EPI.Variadic = true; | |||
3328 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3329 | Sema::CapturedParamNameType Params[] = { | |||
3330 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3331 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3332 | std::make_pair(".privates.", VoidPtrTy), | |||
3333 | std::make_pair( | |||
3334 | ".copy_fn.", | |||
3335 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3336 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3337 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3338 | }; | |||
3339 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3340 | Params, /*OpenMPCaptureLevel=*/0); | |||
3341 | // Mark this captured region as inlined, because we don't use outlined | |||
3342 | // function directly. | |||
3343 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3344 | AlwaysInlineAttr::CreateImplicit( | |||
3345 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3346 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3347 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
3348 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3349 | }; | |||
3350 | // Start a captured region for 'target' with no implicit parameters. | |||
3351 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3352 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | |||
3353 | ||||
3354 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
3355 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3356 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3357 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3358 | }; | |||
3359 | // Start a captured region for 'target' with no implicit parameters. | |||
3360 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3361 | ParamsTeams, /*OpenMPCaptureLevel=*/2); | |||
3362 | ||||
3363 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
3364 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3365 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3366 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
3367 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
3368 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3369 | }; | |||
3370 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
3371 | // the same implicit parameters. | |||
3372 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3373 | ParamsParallel, /*OpenMPCaptureLevel=*/3); | |||
3374 | break; | |||
3375 | } | |||
3376 | ||||
3377 | case OMPD_teams_distribute_parallel_for: | |||
3378 | case OMPD_teams_distribute_parallel_for_simd: { | |||
3379 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3380 | QualType KmpInt32PtrTy = | |||
3381 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3382 | ||||
3383 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
3384 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3385 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3386 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3387 | }; | |||
3388 | // Start a captured region for 'target' with no implicit parameters. | |||
3389 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3390 | ParamsTeams, /*OpenMPCaptureLevel=*/0); | |||
3391 | ||||
3392 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
3393 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3394 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3395 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
3396 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
3397 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3398 | }; | |||
3399 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
3400 | // the same implicit parameters. | |||
3401 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3402 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | |||
3403 | break; | |||
3404 | } | |||
3405 | case OMPD_target_update: | |||
3406 | case OMPD_target_enter_data: | |||
3407 | case OMPD_target_exit_data: { | |||
3408 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3409 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3410 | QualType KmpInt32PtrTy = | |||
3411 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3412 | QualType Args[] = {VoidPtrTy}; | |||
3413 | FunctionProtoType::ExtProtoInfo EPI; | |||
3414 | EPI.Variadic = true; | |||
3415 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3416 | Sema::CapturedParamNameType Params[] = { | |||
3417 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3418 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3419 | std::make_pair(".privates.", VoidPtrTy), | |||
3420 | std::make_pair( | |||
3421 | ".copy_fn.", | |||
3422 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3423 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3424 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3425 | }; | |||
3426 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3427 | Params); | |||
3428 | // Mark this captured region as inlined, because we don't use outlined | |||
3429 | // function directly. | |||
3430 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3431 | AlwaysInlineAttr::CreateImplicit( | |||
3432 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3433 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3434 | break; | |||
3435 | } | |||
3436 | case OMPD_threadprivate: | |||
3437 | case OMPD_allocate: | |||
3438 | case OMPD_taskyield: | |||
3439 | case OMPD_barrier: | |||
3440 | case OMPD_taskwait: | |||
3441 | case OMPD_cancellation_point: | |||
3442 | case OMPD_cancel: | |||
3443 | case OMPD_flush: | |||
3444 | case OMPD_declare_reduction: | |||
3445 | case OMPD_declare_mapper: | |||
3446 | case OMPD_declare_simd: | |||
3447 | case OMPD_declare_target: | |||
3448 | case OMPD_end_declare_target: | |||
3449 | case OMPD_requires: | |||
3450 | case OMPD_declare_variant: | |||
3451 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3451); | |||
3452 | case OMPD_unknown: | |||
3453 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3453); | |||
3454 | } | |||
3455 | } | |||
3456 | ||||
3457 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | |||
3458 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
3459 | getOpenMPCaptureRegions(CaptureRegions, DKind); | |||
3460 | return CaptureRegions.size(); | |||
3461 | } | |||
3462 | ||||
3463 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | |||
3464 | Expr *CaptureExpr, bool WithInit, | |||
3465 | bool AsExpression) { | |||
3466 | assert(CaptureExpr)((CaptureExpr) ? static_cast<void> (0) : __assert_fail ( "CaptureExpr", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3466, __PRETTY_FUNCTION__)); | |||
3467 | ASTContext &C = S.getASTContext(); | |||
3468 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | |||
3469 | QualType Ty = Init->getType(); | |||
3470 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | |||
3471 | if (S.getLangOpts().CPlusPlus) { | |||
3472 | Ty = C.getLValueReferenceType(Ty); | |||
3473 | } else { | |||
3474 | Ty = C.getPointerType(Ty); | |||
3475 | ExprResult Res = | |||
3476 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | |||
3477 | if (!Res.isUsable()) | |||
3478 | return nullptr; | |||
3479 | Init = Res.get(); | |||
3480 | } | |||
3481 | WithInit = true; | |||
3482 | } | |||
3483 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | |||
3484 | CaptureExpr->getBeginLoc()); | |||
3485 | if (!WithInit) | |||
3486 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); | |||
3487 | S.CurContext->addHiddenDecl(CED); | |||
3488 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | |||
3489 | return CED; | |||
3490 | } | |||
3491 | ||||
3492 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | |||
3493 | bool WithInit) { | |||
3494 | OMPCapturedExprDecl *CD; | |||
3495 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) | |||
3496 | CD = cast<OMPCapturedExprDecl>(VD); | |||
3497 | else | |||
3498 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | |||
3499 | /*AsExpression=*/false); | |||
3500 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
3501 | CaptureExpr->getExprLoc()); | |||
3502 | } | |||
3503 | ||||
3504 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | |||
3505 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | |||
3506 | if (!Ref) { | |||
3507 | OMPCapturedExprDecl *CD = buildCaptureDecl( | |||
3508 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | |||
3509 | /*WithInit=*/true, /*AsExpression=*/true); | |||
3510 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
3511 | CaptureExpr->getExprLoc()); | |||
3512 | } | |||
3513 | ExprResult Res = Ref; | |||
3514 | if (!S.getLangOpts().CPlusPlus && | |||
3515 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | |||
3516 | Ref->getType()->isPointerType()) { | |||
3517 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | |||
3518 | if (!Res.isUsable()) | |||
3519 | return ExprError(); | |||
3520 | } | |||
3521 | return S.DefaultLvalueConversion(Res.get()); | |||
3522 | } | |||
3523 | ||||
3524 | namespace { | |||
3525 | // OpenMP directives parsed in this section are represented as a | |||
3526 | // CapturedStatement with an associated statement. If a syntax error | |||
3527 | // is detected during the parsing of the associated statement, the | |||
3528 | // compiler must abort processing and close the CapturedStatement. | |||
3529 | // | |||
3530 | // Combined directives such as 'target parallel' have more than one | |||
3531 | // nested CapturedStatements. This RAII ensures that we unwind out | |||
3532 | // of all the nested CapturedStatements when an error is found. | |||
3533 | class CaptureRegionUnwinderRAII { | |||
3534 | private: | |||
3535 | Sema &S; | |||
3536 | bool &ErrorFound; | |||
3537 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
3538 | ||||
3539 | public: | |||
3540 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | |||
3541 | OpenMPDirectiveKind DKind) | |||
3542 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | |||
3543 | ~CaptureRegionUnwinderRAII() { | |||
3544 | if (ErrorFound) { | |||
3545 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | |||
3546 | while (--ThisCaptureLevel >= 0) | |||
3547 | S.ActOnCapturedRegionError(); | |||
3548 | } | |||
3549 | } | |||
3550 | }; | |||
3551 | } // namespace | |||
3552 | ||||
3553 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { | |||
3554 | // Capture variables captured by reference in lambdas for target-based | |||
3555 | // directives. | |||
3556 | if (!CurContext->isDependentContext() && | |||
3557 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || | |||
3558 | isOpenMPTargetDataManagementDirective( | |||
3559 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { | |||
3560 | QualType Type = V->getType(); | |||
3561 | if (const auto *RD = Type.getCanonicalType() | |||
3562 | .getNonReferenceType() | |||
3563 | ->getAsCXXRecordDecl()) { | |||
3564 | bool SavedForceCaptureByReferenceInTargetExecutable = | |||
3565 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); | |||
3566 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | |||
3567 | /*V=*/true); | |||
3568 | if (RD->isLambda()) { | |||
3569 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | |||
3570 | FieldDecl *ThisCapture; | |||
3571 | RD->getCaptureFields(Captures, ThisCapture); | |||
3572 | for (const LambdaCapture &LC : RD->captures()) { | |||
3573 | if (LC.getCaptureKind() == LCK_ByRef) { | |||
3574 | VarDecl *VD = LC.getCapturedVar(); | |||
3575 | DeclContext *VDC = VD->getDeclContext(); | |||
3576 | if (!VDC->Encloses(CurContext)) | |||
3577 | continue; | |||
3578 | MarkVariableReferenced(LC.getLocation(), VD); | |||
3579 | } else if (LC.getCaptureKind() == LCK_This) { | |||
3580 | QualType ThisTy = getCurrentThisType(); | |||
3581 | if (!ThisTy.isNull() && | |||
3582 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) | |||
3583 | CheckCXXThisCapture(LC.getLocation()); | |||
3584 | } | |||
3585 | } | |||
3586 | } | |||
3587 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | |||
3588 | SavedForceCaptureByReferenceInTargetExecutable); | |||
3589 | } | |||
3590 | } | |||
3591 | } | |||
3592 | ||||
3593 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | |||
3594 | ArrayRef<OMPClause *> Clauses) { | |||
3595 | bool ErrorFound = false; | |||
3596 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | |||
3597 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
3598 | if (!S.isUsable()) { | |||
3599 | ErrorFound = true; | |||
3600 | return StmtError(); | |||
3601 | } | |||
3602 | ||||
3603 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
3604 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
3605 | OMPOrderedClause *OC = nullptr; | |||
3606 | OMPScheduleClause *SC = nullptr; | |||
3607 | SmallVector<const OMPLinearClause *, 4> LCs; | |||
3608 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; | |||
3609 | // This is required for proper codegen. | |||
3610 | for (OMPClause *Clause : Clauses) { | |||
3611 | if (isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
3612 | Clause->getClauseKind() == OMPC_in_reduction) { | |||
3613 | // Capture taskgroup task_reduction descriptors inside the tasking regions | |||
3614 | // with the corresponding in_reduction items. | |||
3615 | auto *IRC = cast<OMPInReductionClause>(Clause); | |||
3616 | for (Expr *E : IRC->taskgroup_descriptors()) | |||
3617 | if (E) | |||
3618 | MarkDeclarationsReferencedInExpr(E); | |||
3619 | } | |||
3620 | if (isOpenMPPrivate(Clause->getClauseKind()) || | |||
3621 | Clause->getClauseKind() == OMPC_copyprivate || | |||
3622 | (getLangOpts().OpenMPUseTLS && | |||
3623 | getASTContext().getTargetInfo().isTLSSupported() && | |||
3624 | Clause->getClauseKind() == OMPC_copyin)) { | |||
3625 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | |||
3626 | // Mark all variables in private list clauses as used in inner region. | |||
3627 | for (Stmt *VarRef : Clause->children()) { | |||
3628 | if (auto *E = cast_or_null<Expr>(VarRef)) { | |||
3629 | MarkDeclarationsReferencedInExpr(E); | |||
3630 | } | |||
3631 | } | |||
3632 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | |||
3633 | } else if (CaptureRegions.size() > 1 || | |||
3634 | CaptureRegions.back() != OMPD_unknown) { | |||
3635 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | |||
3636 | PICs.push_back(C); | |||
3637 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | |||
3638 | if (Expr *E = C->getPostUpdateExpr()) | |||
3639 | MarkDeclarationsReferencedInExpr(E); | |||
3640 | } | |||
3641 | } | |||
3642 | if (Clause->getClauseKind() == OMPC_schedule) | |||
3643 | SC = cast<OMPScheduleClause>(Clause); | |||
3644 | else if (Clause->getClauseKind() == OMPC_ordered) | |||
3645 | OC = cast<OMPOrderedClause>(Clause); | |||
3646 | else if (Clause->getClauseKind() == OMPC_linear) | |||
3647 | LCs.push_back(cast<OMPLinearClause>(Clause)); | |||
3648 | } | |||
3649 | // OpenMP, 2.7.1 Loop Construct, Restrictions | |||
3650 | // The nonmonotonic modifier cannot be specified if an ordered clause is | |||
3651 | // specified. | |||
3652 | if (SC && | |||
3653 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
3654 | SC->getSecondScheduleModifier() == | |||
3655 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
3656 | OC) { | |||
3657 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | |||
3658 | ? SC->getFirstScheduleModifierLoc() | |||
3659 | : SC->getSecondScheduleModifierLoc(), | |||
3660 | diag::err_omp_schedule_nonmonotonic_ordered) | |||
3661 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | |||
3662 | ErrorFound = true; | |||
3663 | } | |||
3664 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | |||
3665 | for (const OMPLinearClause *C : LCs) { | |||
3666 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) | |||
3667 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | |||
3668 | } | |||
3669 | ErrorFound = true; | |||
3670 | } | |||
3671 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
3672 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | |||
3673 | OC->getNumForLoops()) { | |||
3674 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) | |||
3675 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
3676 | ErrorFound = true; | |||
3677 | } | |||
3678 | if (ErrorFound) { | |||
3679 | return StmtError(); | |||
3680 | } | |||
3681 | StmtResult SR = S; | |||
3682 | unsigned CompletedRegions = 0; | |||
3683 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | |||
3684 | // Mark all variables in private list clauses as used in inner region. | |||
3685 | // Required for proper codegen of combined directives. | |||
3686 | // TODO: add processing for other clauses. | |||
3687 | if (ThisCaptureRegion != OMPD_unknown) { | |||
3688 | for (const clang::OMPClauseWithPreInit *C : PICs) { | |||
3689 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | |||
3690 | // Find the particular capture region for the clause if the | |||
3691 | // directive is a combined one with multiple capture regions. | |||
3692 | // If the directive is not a combined one, the capture region | |||
3693 | // associated with the clause is OMPD_unknown and is generated | |||
3694 | // only once. | |||
3695 | if (CaptureRegion == ThisCaptureRegion || | |||
3696 | CaptureRegion == OMPD_unknown) { | |||
3697 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | |||
3698 | for (Decl *D : DS->decls()) | |||
3699 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | |||
3700 | } | |||
3701 | } | |||
3702 | } | |||
3703 | } | |||
3704 | if (++CompletedRegions == CaptureRegions.size()) | |||
3705 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); | |||
3706 | SR = ActOnCapturedRegionEnd(SR.get()); | |||
3707 | } | |||
3708 | return SR; | |||
3709 | } | |||
3710 | ||||
3711 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | |||
3712 | OpenMPDirectiveKind CancelRegion, | |||
3713 | SourceLocation StartLoc) { | |||
3714 | // CancelRegion is only needed for cancel and cancellation_point. | |||
3715 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | |||
3716 | return false; | |||
3717 | ||||
3718 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | |||
3719 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | |||
3720 | return false; | |||
3721 | ||||
3722 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | |||
3723 | << getOpenMPDirectiveName(CancelRegion); | |||
3724 | return true; | |||
3725 | } | |||
3726 | ||||
3727 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, | |||
3728 | OpenMPDirectiveKind CurrentRegion, | |||
3729 | const DeclarationNameInfo &CurrentName, | |||
3730 | OpenMPDirectiveKind CancelRegion, | |||
3731 | SourceLocation StartLoc) { | |||
3732 | if (Stack->getCurScope()) { | |||
3733 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); | |||
3734 | OpenMPDirectiveKind OffendingRegion = ParentRegion; | |||
3735 | bool NestingProhibited = false; | |||
3736 | bool CloseNesting = true; | |||
3737 | bool OrphanSeen = false; | |||
3738 | enum { | |||
3739 | NoRecommend, | |||
3740 | ShouldBeInParallelRegion, | |||
3741 | ShouldBeInOrderedRegion, | |||
3742 | ShouldBeInTargetRegion, | |||
3743 | ShouldBeInTeamsRegion | |||
3744 | } Recommend = NoRecommend; | |||
3745 | if (isOpenMPSimdDirective(ParentRegion) && CurrentRegion != OMPD_ordered) { | |||
3746 | // OpenMP [2.16, Nesting of Regions] | |||
3747 | // OpenMP constructs may not be nested inside a simd region. | |||
3748 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
3749 | // An ordered construct with the simd clause is the only OpenMP | |||
3750 | // construct that can appear in the simd region. | |||
3751 | // Allowing a SIMD construct nested in another SIMD construct is an | |||
3752 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | |||
3753 | // message. | |||
3754 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | |||
3755 | ? diag::err_omp_prohibited_region_simd | |||
3756 | : diag::warn_omp_nesting_simd); | |||
3757 | return CurrentRegion != OMPD_simd; | |||
3758 | } | |||
3759 | if (ParentRegion == OMPD_atomic) { | |||
3760 | // OpenMP [2.16, Nesting of Regions] | |||
3761 | // OpenMP constructs may not be nested inside an atomic region. | |||
3762 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | |||
3763 | return true; | |||
3764 | } | |||
3765 | if (CurrentRegion == OMPD_section) { | |||
3766 | // OpenMP [2.7.2, sections Construct, Restrictions] | |||
3767 | // Orphaned section directives are prohibited. That is, the section | |||
3768 | // directives must appear within the sections construct and must not be | |||
3769 | // encountered elsewhere in the sections region. | |||
3770 | if (ParentRegion != OMPD_sections && | |||
3771 | ParentRegion != OMPD_parallel_sections) { | |||
3772 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | |||
3773 | << (ParentRegion != OMPD_unknown) | |||
3774 | << getOpenMPDirectiveName(ParentRegion); | |||
3775 | return true; | |||
3776 | } | |||
3777 | return false; | |||
3778 | } | |||
3779 | // Allow some constructs (except teams and cancellation constructs) to be | |||
3780 | // orphaned (they could be used in functions, called from OpenMP regions | |||
3781 | // with the required preconditions). | |||
3782 | if (ParentRegion == OMPD_unknown && | |||
3783 | !isOpenMPNestingTeamsDirective(CurrentRegion) && | |||
3784 | CurrentRegion != OMPD_cancellation_point && | |||
3785 | CurrentRegion != OMPD_cancel) | |||
3786 | return false; | |||
3787 | if (CurrentRegion == OMPD_cancellation_point || | |||
3788 | CurrentRegion == OMPD_cancel) { | |||
3789 | // OpenMP [2.16, Nesting of Regions] | |||
3790 | // A cancellation point construct for which construct-type-clause is | |||
3791 | // taskgroup must be nested inside a task construct. A cancellation | |||
3792 | // point construct for which construct-type-clause is not taskgroup must | |||
3793 | // be closely nested inside an OpenMP construct that matches the type | |||
3794 | // specified in construct-type-clause. | |||
3795 | // A cancel construct for which construct-type-clause is taskgroup must be | |||
3796 | // nested inside a task construct. A cancel construct for which | |||
3797 | // construct-type-clause is not taskgroup must be closely nested inside an | |||
3798 | // OpenMP construct that matches the type specified in | |||
3799 | // construct-type-clause. | |||
3800 | NestingProhibited = | |||
3801 | !((CancelRegion == OMPD_parallel && | |||
3802 | (ParentRegion == OMPD_parallel || | |||
3803 | ParentRegion == OMPD_target_parallel)) || | |||
3804 | (CancelRegion == OMPD_for && | |||
3805 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | |||
3806 | ParentRegion == OMPD_target_parallel_for || | |||
3807 | ParentRegion == OMPD_distribute_parallel_for || | |||
3808 | ParentRegion == OMPD_teams_distribute_parallel_for || | |||
3809 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | |||
3810 | (CancelRegion == OMPD_taskgroup && ParentRegion == OMPD_task) || | |||
3811 | (CancelRegion == OMPD_sections && | |||
3812 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | |||
3813 | ParentRegion == OMPD_parallel_sections))); | |||
3814 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
3815 | } else if (CurrentRegion == OMPD_master) { | |||
3816 | // OpenMP [2.16, Nesting of Regions] | |||
3817 | // A master region may not be closely nested inside a worksharing, | |||
3818 | // atomic, or explicit task region. | |||
3819 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
3820 | isOpenMPTaskingDirective(ParentRegion); | |||
3821 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | |||
3822 | // OpenMP [2.16, Nesting of Regions] | |||
3823 | // A critical region may not be nested (closely or otherwise) inside a | |||
3824 | // critical region with the same name. Note that this restriction is not | |||
3825 | // sufficient to prevent deadlock. | |||
3826 | SourceLocation PreviousCriticalLoc; | |||
3827 | bool DeadLock = Stack->hasDirective( | |||
3828 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | |||
3829 | const DeclarationNameInfo &DNI, | |||
3830 | SourceLocation Loc) { | |||
3831 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | |||
3832 | PreviousCriticalLoc = Loc; | |||
3833 | return true; | |||
3834 | } | |||
3835 | return false; | |||
3836 | }, | |||
3837 | false /* skip top directive */); | |||
3838 | if (DeadLock) { | |||
3839 | SemaRef.Diag(StartLoc, | |||
3840 | diag::err_omp_prohibited_region_critical_same_name) | |||
3841 | << CurrentName.getName(); | |||
3842 | if (PreviousCriticalLoc.isValid()) | |||
3843 | SemaRef.Diag(PreviousCriticalLoc, | |||
3844 | diag::note_omp_previous_critical_region); | |||
3845 | return true; | |||
3846 | } | |||
3847 | } else if (CurrentRegion == OMPD_barrier) { | |||
3848 | // OpenMP [2.16, Nesting of Regions] | |||
3849 | // A barrier region may not be closely nested inside a worksharing, | |||
3850 | // explicit task, critical, ordered, atomic, or master region. | |||
3851 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
3852 | isOpenMPTaskingDirective(ParentRegion) || | |||
3853 | ParentRegion == OMPD_master || | |||
3854 | ParentRegion == OMPD_critical || | |||
3855 | ParentRegion == OMPD_ordered; | |||
3856 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | |||
3857 | !isOpenMPParallelDirective(CurrentRegion) && | |||
3858 | !isOpenMPTeamsDirective(CurrentRegion)) { | |||
3859 | // OpenMP [2.16, Nesting of Regions] | |||
3860 | // A worksharing region may not be closely nested inside a worksharing, | |||
3861 | // explicit task, critical, ordered, atomic, or master region. | |||
3862 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
3863 | isOpenMPTaskingDirective(ParentRegion) || | |||
3864 | ParentRegion == OMPD_master || | |||
3865 | ParentRegion == OMPD_critical || | |||
3866 | ParentRegion == OMPD_ordered; | |||
3867 | Recommend = ShouldBeInParallelRegion; | |||
3868 | } else if (CurrentRegion == OMPD_ordered) { | |||
3869 | // OpenMP [2.16, Nesting of Regions] | |||
3870 | // An ordered region may not be closely nested inside a critical, | |||
3871 | // atomic, or explicit task region. | |||
3872 | // An ordered region must be closely nested inside a loop region (or | |||
3873 | // parallel loop region) with an ordered clause. | |||
3874 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
3875 | // An ordered construct with the simd clause is the only OpenMP construct | |||
3876 | // that can appear in the simd region. | |||
3877 | NestingProhibited = ParentRegion == OMPD_critical || | |||
3878 | isOpenMPTaskingDirective(ParentRegion) || | |||
3879 | !(isOpenMPSimdDirective(ParentRegion) || | |||
3880 | Stack->isParentOrderedRegion()); | |||
3881 | Recommend = ShouldBeInOrderedRegion; | |||
3882 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | |||
3883 | // OpenMP [2.16, Nesting of Regions] | |||
3884 | // If specified, a teams construct must be contained within a target | |||
3885 | // construct. | |||
3886 | NestingProhibited = | |||
3887 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || | |||
3888 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && | |||
3889 | ParentRegion != OMPD_target); | |||
3890 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
3891 | Recommend = ShouldBeInTargetRegion; | |||
3892 | } | |||
3893 | if (!NestingProhibited && | |||
3894 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | |||
3895 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | |||
3896 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | |||
3897 | // OpenMP [2.16, Nesting of Regions] | |||
3898 | // distribute, parallel, parallel sections, parallel workshare, and the | |||
3899 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | |||
3900 | // constructs that can be closely nested in the teams region. | |||
3901 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | |||
3902 | !isOpenMPDistributeDirective(CurrentRegion); | |||
3903 | Recommend = ShouldBeInParallelRegion; | |||
3904 | } | |||
3905 | if (!NestingProhibited && | |||
3906 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | |||
3907 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
3908 | // The region associated with the distribute construct must be strictly | |||
3909 | // nested inside a teams region | |||
3910 | NestingProhibited = | |||
3911 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | |||
3912 | Recommend = ShouldBeInTeamsRegion; | |||
3913 | } | |||
3914 | if (!NestingProhibited && | |||
3915 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | |||
3916 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | |||
3917 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
3918 | // If a target, target update, target data, target enter data, or | |||
3919 | // target exit data construct is encountered during execution of a | |||
3920 | // target region, the behavior is unspecified. | |||
3921 | NestingProhibited = Stack->hasDirective( | |||
3922 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
3923 | SourceLocation) { | |||
3924 | if (isOpenMPTargetExecutionDirective(K)) { | |||
3925 | OffendingRegion = K; | |||
3926 | return true; | |||
3927 | } | |||
3928 | return false; | |||
3929 | }, | |||
3930 | false /* don't skip top directive */); | |||
3931 | CloseNesting = false; | |||
3932 | } | |||
3933 | if (NestingProhibited) { | |||
3934 | if (OrphanSeen) { | |||
3935 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | |||
3936 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | |||
3937 | } else { | |||
3938 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | |||
3939 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | |||
3940 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | |||
3941 | } | |||
3942 | return true; | |||
3943 | } | |||
3944 | } | |||
3945 | return false; | |||
3946 | } | |||
3947 | ||||
3948 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | |||
3949 | ArrayRef<OMPClause *> Clauses, | |||
3950 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | |||
3951 | bool ErrorFound = false; | |||
3952 | unsigned NamedModifiersNumber = 0; | |||
3953 | SmallVector<const OMPIfClause *, OMPC_unknown + 1> FoundNameModifiers( | |||
3954 | OMPD_unknown + 1); | |||
3955 | SmallVector<SourceLocation, 4> NameModifierLoc; | |||
3956 | for (const OMPClause *C : Clauses) { | |||
3957 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | |||
3958 | // At most one if clause without a directive-name-modifier can appear on | |||
3959 | // the directive. | |||
3960 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | |||
3961 | if (FoundNameModifiers[CurNM]) { | |||
3962 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | |||
3963 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | |||
3964 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | |||
3965 | ErrorFound = true; | |||
3966 | } else if (CurNM != OMPD_unknown) { | |||
3967 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | |||
3968 | ++NamedModifiersNumber; | |||
3969 | } | |||
3970 | FoundNameModifiers[CurNM] = IC; | |||
3971 | if (CurNM == OMPD_unknown) | |||
3972 | continue; | |||
3973 | // Check if the specified name modifier is allowed for the current | |||
3974 | // directive. | |||
3975 | // At most one if clause with the particular directive-name-modifier can | |||
3976 | // appear on the directive. | |||
3977 | bool MatchFound = false; | |||
3978 | for (auto NM : AllowedNameModifiers) { | |||
3979 | if (CurNM == NM) { | |||
3980 | MatchFound = true; | |||
3981 | break; | |||
3982 | } | |||
3983 | } | |||
3984 | if (!MatchFound) { | |||
3985 | S.Diag(IC->getNameModifierLoc(), | |||
3986 | diag::err_omp_wrong_if_directive_name_modifier) | |||
3987 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | |||
3988 | ErrorFound = true; | |||
3989 | } | |||
3990 | } | |||
3991 | } | |||
3992 | // If any if clause on the directive includes a directive-name-modifier then | |||
3993 | // all if clauses on the directive must include a directive-name-modifier. | |||
3994 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | |||
3995 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | |||
3996 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), | |||
3997 | diag::err_omp_no_more_if_clause); | |||
3998 | } else { | |||
3999 | std::string Values; | |||
4000 | std::string Sep(", "); | |||
4001 | unsigned AllowedCnt = 0; | |||
4002 | unsigned TotalAllowedNum = | |||
4003 | AllowedNameModifiers.size() - NamedModifiersNumber; | |||
4004 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | |||
4005 | ++Cnt) { | |||
4006 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | |||
4007 | if (!FoundNameModifiers[NM]) { | |||
4008 | Values += "'"; | |||
4009 | Values += getOpenMPDirectiveName(NM); | |||
4010 | Values += "'"; | |||
4011 | if (AllowedCnt + 2 == TotalAllowedNum) | |||
4012 | Values += " or "; | |||
4013 | else if (AllowedCnt + 1 != TotalAllowedNum) | |||
4014 | Values += Sep; | |||
4015 | ++AllowedCnt; | |||
4016 | } | |||
4017 | } | |||
4018 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), | |||
4019 | diag::err_omp_unnamed_if_clause) | |||
4020 | << (TotalAllowedNum > 1) << Values; | |||
4021 | } | |||
4022 | for (SourceLocation Loc : NameModifierLoc) { | |||
4023 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | |||
4024 | } | |||
4025 | ErrorFound = true; | |||
4026 | } | |||
4027 | return ErrorFound; | |||
4028 | } | |||
4029 | ||||
4030 | static std::pair<ValueDecl *, bool> | |||
4031 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | |||
4032 | SourceRange &ERange, bool AllowArraySection = false) { | |||
4033 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | |||
4034 | RefExpr->containsUnexpandedParameterPack()) | |||
4035 | return std::make_pair(nullptr, true); | |||
4036 | ||||
4037 | // OpenMP [3.1, C/C++] | |||
4038 | // A list item is a variable name. | |||
4039 | // OpenMP [2.9.3.3, Restrictions, p.1] | |||
4040 | // A variable that is part of another variable (as an array or | |||
4041 | // structure element) cannot appear in a private clause. | |||
4042 | RefExpr = RefExpr->IgnoreParens(); | |||
4043 | enum { | |||
4044 | NoArrayExpr = -1, | |||
4045 | ArraySubscript = 0, | |||
4046 | OMPArraySection = 1 | |||
4047 | } IsArrayExpr = NoArrayExpr; | |||
4048 | if (AllowArraySection) { | |||
4049 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | |||
4050 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | |||
4051 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
4052 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
4053 | RefExpr = Base; | |||
4054 | IsArrayExpr = ArraySubscript; | |||
4055 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | |||
4056 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
4057 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | |||
4058 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
4059 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
4060 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
4061 | RefExpr = Base; | |||
4062 | IsArrayExpr = OMPArraySection; | |||
4063 | } | |||
4064 | } | |||
4065 | ELoc = RefExpr->getExprLoc(); | |||
4066 | ERange = RefExpr->getSourceRange(); | |||
4067 | RefExpr = RefExpr->IgnoreParenImpCasts(); | |||
4068 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | |||
4069 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | |||
4070 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | |||
4071 | (S.getCurrentThisType().isNull() || !ME || | |||
4072 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | |||
4073 | !isa<FieldDecl>(ME->getMemberDecl()))) { | |||
4074 | if (IsArrayExpr != NoArrayExpr) { | |||
4075 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | |||
4076 | << ERange; | |||
4077 | } else { | |||
4078 | S.Diag(ELoc, | |||
4079 | AllowArraySection | |||
4080 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | |||
4081 | : diag::err_omp_expected_var_name_member_expr) | |||
4082 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | |||
4083 | } | |||
4084 | return std::make_pair(nullptr, false); | |||
4085 | } | |||
4086 | return std::make_pair( | |||
4087 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | |||
4088 | } | |||
4089 | ||||
4090 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | |||
4091 | ArrayRef<OMPClause *> Clauses) { | |||
4092 | assert(!S.CurContext->isDependentContext() &&((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4093, __PRETTY_FUNCTION__)) | |||
4093 | "Expected non-dependent context.")((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4093, __PRETTY_FUNCTION__)); | |||
4094 | auto AllocateRange = | |||
4095 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); | |||
4096 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> | |||
4097 | DeclToCopy; | |||
4098 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { | |||
4099 | return isOpenMPPrivate(C->getClauseKind()); | |||
4100 | }); | |||
4101 | for (OMPClause *Cl : PrivateRange) { | |||
4102 | MutableArrayRef<Expr *>::iterator I, It, Et; | |||
4103 | if (Cl->getClauseKind() == OMPC_private) { | |||
4104 | auto *PC = cast<OMPPrivateClause>(Cl); | |||
4105 | I = PC->private_copies().begin(); | |||
4106 | It = PC->varlist_begin(); | |||
4107 | Et = PC->varlist_end(); | |||
4108 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { | |||
4109 | auto *PC = cast<OMPFirstprivateClause>(Cl); | |||
4110 | I = PC->private_copies().begin(); | |||
4111 | It = PC->varlist_begin(); | |||
4112 | Et = PC->varlist_end(); | |||
4113 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { | |||
4114 | auto *PC = cast<OMPLastprivateClause>(Cl); | |||
4115 | I = PC->private_copies().begin(); | |||
4116 | It = PC->varlist_begin(); | |||
4117 | Et = PC->varlist_end(); | |||
4118 | } else if (Cl->getClauseKind() == OMPC_linear) { | |||
4119 | auto *PC = cast<OMPLinearClause>(Cl); | |||
4120 | I = PC->privates().begin(); | |||
4121 | It = PC->varlist_begin(); | |||
4122 | Et = PC->varlist_end(); | |||
4123 | } else if (Cl->getClauseKind() == OMPC_reduction) { | |||
4124 | auto *PC = cast<OMPReductionClause>(Cl); | |||
4125 | I = PC->privates().begin(); | |||
4126 | It = PC->varlist_begin(); | |||
4127 | Et = PC->varlist_end(); | |||
4128 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { | |||
4129 | auto *PC = cast<OMPTaskReductionClause>(Cl); | |||
4130 | I = PC->privates().begin(); | |||
4131 | It = PC->varlist_begin(); | |||
4132 | Et = PC->varlist_end(); | |||
4133 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { | |||
4134 | auto *PC = cast<OMPInReductionClause>(Cl); | |||
4135 | I = PC->privates().begin(); | |||
4136 | It = PC->varlist_begin(); | |||
4137 | Et = PC->varlist_end(); | |||
4138 | } else { | |||
4139 | llvm_unreachable("Expected private clause.")::llvm::llvm_unreachable_internal("Expected private clause.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4139); | |||
4140 | } | |||
4141 | for (Expr *E : llvm::make_range(It, Et)) { | |||
4142 | if (!*I) { | |||
4143 | ++I; | |||
4144 | continue; | |||
4145 | } | |||
4146 | SourceLocation ELoc; | |||
4147 | SourceRange ERange; | |||
4148 | Expr *SimpleRefExpr = E; | |||
4149 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
4150 | /*AllowArraySection=*/true); | |||
4151 | DeclToCopy.try_emplace(Res.first, | |||
4152 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); | |||
4153 | ++I; | |||
4154 | } | |||
4155 | } | |||
4156 | for (OMPClause *C : AllocateRange) { | |||
4157 | auto *AC = cast<OMPAllocateClause>(C); | |||
4158 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | |||
4159 | getAllocatorKind(S, Stack, AC->getAllocator()); | |||
4160 | // OpenMP, 2.11.4 allocate Clause, Restrictions. | |||
4161 | // For task, taskloop or target directives, allocation requests to memory | |||
4162 | // allocators with the trait access set to thread result in unspecified | |||
4163 | // behavior. | |||
4164 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && | |||
4165 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | |||
4166 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { | |||
4167 | S.Diag(AC->getAllocator()->getExprLoc(), | |||
4168 | diag::warn_omp_allocate_thread_on_task_target_directive) | |||
4169 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | |||
4170 | } | |||
4171 | for (Expr *E : AC->varlists()) { | |||
4172 | SourceLocation ELoc; | |||
4173 | SourceRange ERange; | |||
4174 | Expr *SimpleRefExpr = E; | |||
4175 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); | |||
4176 | ValueDecl *VD = Res.first; | |||
4177 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
4178 | if (!isOpenMPPrivate(Data.CKind)) { | |||
4179 | S.Diag(E->getExprLoc(), | |||
4180 | diag::err_omp_expected_private_copy_for_allocate); | |||
4181 | continue; | |||
4182 | } | |||
4183 | VarDecl *PrivateVD = DeclToCopy[VD]; | |||
4184 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, | |||
4185 | AllocatorKind, AC->getAllocator())) | |||
4186 | continue; | |||
4187 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), | |||
4188 | E->getSourceRange()); | |||
4189 | } | |||
4190 | } | |||
4191 | } | |||
4192 | ||||
4193 | StmtResult Sema::ActOnOpenMPExecutableDirective( | |||
4194 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | |||
4195 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | |||
4196 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
4197 | StmtResult Res = StmtError(); | |||
4198 | // First check CancelRegion which is then used in checkNestingOfRegions. | |||
4199 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | |||
4200 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | |||
4201 | StartLoc)) | |||
4202 | return StmtError(); | |||
4203 | ||||
4204 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | |||
4205 | VarsWithInheritedDSAType VarsWithInheritedDSA; | |||
4206 | bool ErrorFound = false; | |||
4207 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | |||
4208 | if (AStmt && !CurContext->isDependentContext()) { | |||
4209 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4209, __PRETTY_FUNCTION__)); | |||
4210 | ||||
4211 | // Check default data sharing attributes for referenced variables. | |||
4212 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | |||
4213 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | |||
4214 | Stmt *S = AStmt; | |||
4215 | while (--ThisCaptureLevel >= 0) | |||
4216 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | |||
4217 | DSAChecker.Visit(S); | |||
4218 | if (!isOpenMPTargetDataManagementDirective(Kind) && | |||
4219 | !isOpenMPTaskingDirective(Kind)) { | |||
4220 | // Visit subcaptures to generate implicit clauses for captured vars. | |||
4221 | auto *CS = cast<CapturedStmt>(AStmt); | |||
4222 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
4223 | getOpenMPCaptureRegions(CaptureRegions, Kind); | |||
4224 | // Ignore outer tasking regions for target directives. | |||
4225 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) | |||
4226 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
4227 | DSAChecker.visitSubCaptures(CS); | |||
4228 | } | |||
4229 | if (DSAChecker.isErrorFound()) | |||
4230 | return StmtError(); | |||
4231 | // Generate list of implicitly defined firstprivate variables. | |||
4232 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | |||
4233 | ||||
4234 | SmallVector<Expr *, 4> ImplicitFirstprivates( | |||
4235 | DSAChecker.getImplicitFirstprivate().begin(), | |||
4236 | DSAChecker.getImplicitFirstprivate().end()); | |||
4237 | SmallVector<Expr *, 4> ImplicitMaps(DSAChecker.getImplicitMap().begin(), | |||
4238 | DSAChecker.getImplicitMap().end()); | |||
4239 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | |||
4240 | for (OMPClause *C : Clauses) { | |||
4241 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | |||
4242 | for (Expr *E : IRC->taskgroup_descriptors()) | |||
4243 | if (E) | |||
4244 | ImplicitFirstprivates.emplace_back(E); | |||
4245 | } | |||
4246 | } | |||
4247 | if (!ImplicitFirstprivates.empty()) { | |||
4248 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | |||
4249 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | |||
4250 | SourceLocation())) { | |||
4251 | ClausesWithImplicit.push_back(Implicit); | |||
4252 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | |||
4253 | ImplicitFirstprivates.size(); | |||
4254 | } else { | |||
4255 | ErrorFound = true; | |||
4256 | } | |||
4257 | } | |||
4258 | if (!ImplicitMaps.empty()) { | |||
4259 | CXXScopeSpec MapperIdScopeSpec; | |||
4260 | DeclarationNameInfo MapperId; | |||
4261 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | |||
4262 | llvm::None, llvm::None, MapperIdScopeSpec, MapperId, | |||
4263 | OMPC_MAP_tofrom, /*IsMapTypeImplicit=*/true, SourceLocation(), | |||
4264 | SourceLocation(), ImplicitMaps, OMPVarListLocTy())) { | |||
4265 | ClausesWithImplicit.emplace_back(Implicit); | |||
4266 | ErrorFound |= | |||
4267 | cast<OMPMapClause>(Implicit)->varlist_size() != ImplicitMaps.size(); | |||
4268 | } else { | |||
4269 | ErrorFound = true; | |||
4270 | } | |||
4271 | } | |||
4272 | } | |||
4273 | ||||
4274 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | |||
4275 | switch (Kind) { | |||
4276 | case OMPD_parallel: | |||
4277 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4278 | EndLoc); | |||
4279 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4280 | break; | |||
4281 | case OMPD_simd: | |||
4282 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
4283 | VarsWithInheritedDSA); | |||
4284 | break; | |||
4285 | case OMPD_for: | |||
4286 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
4287 | VarsWithInheritedDSA); | |||
4288 | break; | |||
4289 | case OMPD_for_simd: | |||
4290 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4291 | EndLoc, VarsWithInheritedDSA); | |||
4292 | break; | |||
4293 | case OMPD_sections: | |||
4294 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4295 | EndLoc); | |||
4296 | break; | |||
4297 | case OMPD_section: | |||
4298 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4299, __PRETTY_FUNCTION__)) | |||
4299 | "No clauses are allowed for 'omp section' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4299, __PRETTY_FUNCTION__)); | |||
4300 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | |||
4301 | break; | |||
4302 | case OMPD_single: | |||
4303 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4304 | EndLoc); | |||
4305 | break; | |||
4306 | case OMPD_master: | |||
4307 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4308, __PRETTY_FUNCTION__)) | |||
4308 | "No clauses are allowed for 'omp master' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4308, __PRETTY_FUNCTION__)); | |||
4309 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | |||
4310 | break; | |||
4311 | case OMPD_critical: | |||
4312 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | |||
4313 | StartLoc, EndLoc); | |||
4314 | break; | |||
4315 | case OMPD_parallel_for: | |||
4316 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4317 | EndLoc, VarsWithInheritedDSA); | |||
4318 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4319 | break; | |||
4320 | case OMPD_parallel_for_simd: | |||
4321 | Res = ActOnOpenMPParallelForSimdDirective( | |||
4322 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4323 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4324 | break; | |||
4325 | case OMPD_parallel_sections: | |||
4326 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | |||
4327 | StartLoc, EndLoc); | |||
4328 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4329 | break; | |||
4330 | case OMPD_task: | |||
4331 | Res = | |||
4332 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
4333 | AllowedNameModifiers.push_back(OMPD_task); | |||
4334 | break; | |||
4335 | case OMPD_taskyield: | |||
4336 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4337, __PRETTY_FUNCTION__)) | |||
4337 | "No clauses are allowed for 'omp taskyield' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4337, __PRETTY_FUNCTION__)); | |||
4338 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4339, __PRETTY_FUNCTION__)) | |||
4339 | "No associated statement allowed for 'omp taskyield' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4339, __PRETTY_FUNCTION__)); | |||
4340 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | |||
4341 | break; | |||
4342 | case OMPD_barrier: | |||
4343 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4344, __PRETTY_FUNCTION__)) | |||
4344 | "No clauses are allowed for 'omp barrier' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4344, __PRETTY_FUNCTION__)); | |||
4345 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4346, __PRETTY_FUNCTION__)) | |||
4346 | "No associated statement allowed for 'omp barrier' directive")((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4346, __PRETTY_FUNCTION__)); | |||
4347 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | |||
4348 | break; | |||
4349 | case OMPD_taskwait: | |||
4350 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4351, __PRETTY_FUNCTION__)) | |||
4351 | "No clauses are allowed for 'omp taskwait' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4351, __PRETTY_FUNCTION__)); | |||
4352 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4353, __PRETTY_FUNCTION__)) | |||
4353 | "No associated statement allowed for 'omp taskwait' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4353, __PRETTY_FUNCTION__)); | |||
4354 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | |||
4355 | break; | |||
4356 | case OMPD_taskgroup: | |||
4357 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4358 | EndLoc); | |||
4359 | break; | |||
4360 | case OMPD_flush: | |||
4361 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4362, __PRETTY_FUNCTION__)) | |||
4362 | "No associated statement allowed for 'omp flush' directive")((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4362, __PRETTY_FUNCTION__)); | |||
4363 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
4364 | break; | |||
4365 | case OMPD_ordered: | |||
4366 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4367 | EndLoc); | |||
4368 | break; | |||
4369 | case OMPD_atomic: | |||
4370 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4371 | EndLoc); | |||
4372 | break; | |||
4373 | case OMPD_teams: | |||
4374 | Res = | |||
4375 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
4376 | break; | |||
4377 | case OMPD_target: | |||
4378 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4379 | EndLoc); | |||
4380 | AllowedNameModifiers.push_back(OMPD_target); | |||
4381 | break; | |||
4382 | case OMPD_target_parallel: | |||
4383 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | |||
4384 | StartLoc, EndLoc); | |||
4385 | AllowedNameModifiers.push_back(OMPD_target); | |||
4386 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4387 | break; | |||
4388 | case OMPD_target_parallel_for: | |||
4389 | Res = ActOnOpenMPTargetParallelForDirective( | |||
4390 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4391 | AllowedNameModifiers.push_back(OMPD_target); | |||
4392 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4393 | break; | |||
4394 | case OMPD_cancellation_point: | |||
4395 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4396, __PRETTY_FUNCTION__)) | |||
4396 | "No clauses are allowed for 'omp cancellation point' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4396, __PRETTY_FUNCTION__)); | |||
4397 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4398, __PRETTY_FUNCTION__)) | |||
4398 | "cancellation point' directive")((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4398, __PRETTY_FUNCTION__)); | |||
4399 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | |||
4400 | break; | |||
4401 | case OMPD_cancel: | |||
4402 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4403, __PRETTY_FUNCTION__)) | |||
4403 | "No associated statement allowed for 'omp cancel' directive")((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4403, __PRETTY_FUNCTION__)); | |||
4404 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | |||
4405 | CancelRegion); | |||
4406 | AllowedNameModifiers.push_back(OMPD_cancel); | |||
4407 | break; | |||
4408 | case OMPD_target_data: | |||
4409 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4410 | EndLoc); | |||
4411 | AllowedNameModifiers.push_back(OMPD_target_data); | |||
4412 | break; | |||
4413 | case OMPD_target_enter_data: | |||
4414 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | |||
4415 | EndLoc, AStmt); | |||
4416 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | |||
4417 | break; | |||
4418 | case OMPD_target_exit_data: | |||
4419 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | |||
4420 | EndLoc, AStmt); | |||
4421 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | |||
4422 | break; | |||
4423 | case OMPD_taskloop: | |||
4424 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4425 | EndLoc, VarsWithInheritedDSA); | |||
4426 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
4427 | break; | |||
4428 | case OMPD_taskloop_simd: | |||
4429 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4430 | EndLoc, VarsWithInheritedDSA); | |||
4431 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
4432 | break; | |||
4433 | case OMPD_distribute: | |||
4434 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4435 | EndLoc, VarsWithInheritedDSA); | |||
4436 | break; | |||
4437 | case OMPD_target_update: | |||
4438 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | |||
4439 | EndLoc, AStmt); | |||
4440 | AllowedNameModifiers.push_back(OMPD_target_update); | |||
4441 | break; | |||
4442 | case OMPD_distribute_parallel_for: | |||
4443 | Res = ActOnOpenMPDistributeParallelForDirective( | |||
4444 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4445 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4446 | break; | |||
4447 | case OMPD_distribute_parallel_for_simd: | |||
4448 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | |||
4449 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4450 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4451 | break; | |||
4452 | case OMPD_distribute_simd: | |||
4453 | Res = ActOnOpenMPDistributeSimdDirective( | |||
4454 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4455 | break; | |||
4456 | case OMPD_target_parallel_for_simd: | |||
4457 | Res = ActOnOpenMPTargetParallelForSimdDirective( | |||
4458 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4459 | AllowedNameModifiers.push_back(OMPD_target); | |||
4460 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4461 | break; | |||
4462 | case OMPD_target_simd: | |||
4463 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4464 | EndLoc, VarsWithInheritedDSA); | |||
4465 | AllowedNameModifiers.push_back(OMPD_target); | |||
4466 | break; | |||
4467 | case OMPD_teams_distribute: | |||
4468 | Res = ActOnOpenMPTeamsDistributeDirective( | |||
4469 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4470 | break; | |||
4471 | case OMPD_teams_distribute_simd: | |||
4472 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | |||
4473 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4474 | break; | |||
4475 | case OMPD_teams_distribute_parallel_for_simd: | |||
4476 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
4477 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4478 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4479 | break; | |||
4480 | case OMPD_teams_distribute_parallel_for: | |||
4481 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | |||
4482 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4483 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4484 | break; | |||
4485 | case OMPD_target_teams: | |||
4486 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
4487 | EndLoc); | |||
4488 | AllowedNameModifiers.push_back(OMPD_target); | |||
4489 | break; | |||
4490 | case OMPD_target_teams_distribute: | |||
4491 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | |||
4492 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4493 | AllowedNameModifiers.push_back(OMPD_target); | |||
4494 | break; | |||
4495 | case OMPD_target_teams_distribute_parallel_for: | |||
4496 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
4497 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4498 | AllowedNameModifiers.push_back(OMPD_target); | |||
4499 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4500 | break; | |||
4501 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
4502 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
4503 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4504 | AllowedNameModifiers.push_back(OMPD_target); | |||
4505 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
4506 | break; | |||
4507 | case OMPD_target_teams_distribute_simd: | |||
4508 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
4509 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
4510 | AllowedNameModifiers.push_back(OMPD_target); | |||
4511 | break; | |||
4512 | case OMPD_declare_target: | |||
4513 | case OMPD_end_declare_target: | |||
4514 | case OMPD_threadprivate: | |||
4515 | case OMPD_allocate: | |||
4516 | case OMPD_declare_reduction: | |||
4517 | case OMPD_declare_mapper: | |||
4518 | case OMPD_declare_simd: | |||
4519 | case OMPD_requires: | |||
4520 | case OMPD_declare_variant: | |||
4521 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4521); | |||
4522 | case OMPD_unknown: | |||
4523 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4523); | |||
4524 | } | |||
4525 | ||||
4526 | ErrorFound = Res.isInvalid() || ErrorFound; | |||
4527 | ||||
4528 | // Check variables in the clauses if default(none) was specified. | |||
4529 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none) { | |||
4530 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); | |||
4531 | for (OMPClause *C : Clauses) { | |||
4532 | switch (C->getClauseKind()) { | |||
4533 | case OMPC_num_threads: | |||
4534 | case OMPC_dist_schedule: | |||
4535 | // Do not analyse if no parent teams directive. | |||
4536 | if (isOpenMPTeamsDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | |||
4537 | break; | |||
4538 | continue; | |||
4539 | case OMPC_if: | |||
4540 | if (isOpenMPTeamsDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
4541 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) | |||
4542 | break; | |||
4543 | continue; | |||
4544 | case OMPC_schedule: | |||
4545 | break; | |||
4546 | case OMPC_ordered: | |||
4547 | case OMPC_device: | |||
4548 | case OMPC_num_teams: | |||
4549 | case OMPC_thread_limit: | |||
4550 | case OMPC_priority: | |||
4551 | case OMPC_grainsize: | |||
4552 | case OMPC_num_tasks: | |||
4553 | case OMPC_hint: | |||
4554 | case OMPC_collapse: | |||
4555 | case OMPC_safelen: | |||
4556 | case OMPC_simdlen: | |||
4557 | case OMPC_final: | |||
4558 | case OMPC_default: | |||
4559 | case OMPC_proc_bind: | |||
4560 | case OMPC_private: | |||
4561 | case OMPC_firstprivate: | |||
4562 | case OMPC_lastprivate: | |||
4563 | case OMPC_shared: | |||
4564 | case OMPC_reduction: | |||
4565 | case OMPC_task_reduction: | |||
4566 | case OMPC_in_reduction: | |||
4567 | case OMPC_linear: | |||
4568 | case OMPC_aligned: | |||
4569 | case OMPC_copyin: | |||
4570 | case OMPC_copyprivate: | |||
4571 | case OMPC_nowait: | |||
4572 | case OMPC_untied: | |||
4573 | case OMPC_mergeable: | |||
4574 | case OMPC_allocate: | |||
4575 | case OMPC_read: | |||
4576 | case OMPC_write: | |||
4577 | case OMPC_update: | |||
4578 | case OMPC_capture: | |||
4579 | case OMPC_seq_cst: | |||
4580 | case OMPC_depend: | |||
4581 | case OMPC_threads: | |||
4582 | case OMPC_simd: | |||
4583 | case OMPC_map: | |||
4584 | case OMPC_nogroup: | |||
4585 | case OMPC_defaultmap: | |||
4586 | case OMPC_to: | |||
4587 | case OMPC_from: | |||
4588 | case OMPC_use_device_ptr: | |||
4589 | case OMPC_is_device_ptr: | |||
4590 | continue; | |||
4591 | case OMPC_allocator: | |||
4592 | case OMPC_flush: | |||
4593 | case OMPC_threadprivate: | |||
4594 | case OMPC_uniform: | |||
4595 | case OMPC_unknown: | |||
4596 | case OMPC_unified_address: | |||
4597 | case OMPC_unified_shared_memory: | |||
4598 | case OMPC_reverse_offload: | |||
4599 | case OMPC_dynamic_allocators: | |||
4600 | case OMPC_atomic_default_mem_order: | |||
4601 | case OMPC_device_type: | |||
4602 | case OMPC_match: | |||
4603 | llvm_unreachable("Unexpected clause")::llvm::llvm_unreachable_internal("Unexpected clause", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4603); | |||
4604 | } | |||
4605 | for (Stmt *CC : C->children()) { | |||
4606 | if (CC) | |||
4607 | DSAChecker.Visit(CC); | |||
4608 | } | |||
4609 | } | |||
4610 | for (auto &P : DSAChecker.getVarsWithInheritedDSA()) | |||
4611 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); | |||
4612 | } | |||
4613 | for (const auto &P : VarsWithInheritedDSA) { | |||
4614 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) | |||
4615 | continue; | |||
4616 | ErrorFound = true; | |||
4617 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | |||
4618 | << P.first << P.second->getSourceRange(); | |||
4619 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); | |||
4620 | } | |||
4621 | ||||
4622 | if (!AllowedNameModifiers.empty()) | |||
4623 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | |||
4624 | ErrorFound; | |||
4625 | ||||
4626 | if (ErrorFound) | |||
4627 | return StmtError(); | |||
4628 | ||||
4629 | if (!(Res.getAs<OMPExecutableDirective>()->isStandaloneDirective())) { | |||
4630 | Res.getAs<OMPExecutableDirective>() | |||
4631 | ->getStructuredBlock() | |||
4632 | ->setIsOMPStructuredBlock(true); | |||
4633 | } | |||
4634 | ||||
4635 | if (!CurContext->isDependentContext() && | |||
4636 | isOpenMPTargetExecutionDirective(Kind) && | |||
4637 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | |||
4638 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || | |||
4639 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || | |||
4640 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { | |||
4641 | // Register target to DSA Stack. | |||
4642 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); | |||
4643 | } | |||
4644 | ||||
4645 | return Res; | |||
4646 | } | |||
4647 | ||||
4648 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | |||
4649 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | |||
4650 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | |||
4651 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | |||
4652 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | |||
4653 | assert(Aligneds.size() == Alignments.size())((Aligneds.size() == Alignments.size()) ? static_cast<void > (0) : __assert_fail ("Aligneds.size() == Alignments.size()" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4653, __PRETTY_FUNCTION__)); | |||
4654 | assert(Linears.size() == LinModifiers.size())((Linears.size() == LinModifiers.size()) ? static_cast<void > (0) : __assert_fail ("Linears.size() == LinModifiers.size()" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4654, __PRETTY_FUNCTION__)); | |||
4655 | assert(Linears.size() == Steps.size())((Linears.size() == Steps.size()) ? static_cast<void> ( 0) : __assert_fail ("Linears.size() == Steps.size()", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4655, __PRETTY_FUNCTION__)); | |||
4656 | if (!DG || DG.get().isNull()) | |||
4657 | return DeclGroupPtrTy(); | |||
4658 | ||||
4659 | const int SimdId = 0; | |||
4660 | if (!DG.get().isSingleDecl()) { | |||
4661 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | |||
4662 | << SimdId; | |||
4663 | return DG; | |||
4664 | } | |||
4665 | Decl *ADecl = DG.get().getSingleDecl(); | |||
4666 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | |||
4667 | ADecl = FTD->getTemplatedDecl(); | |||
4668 | ||||
4669 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | |||
4670 | if (!FD) { | |||
4671 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; | |||
4672 | return DeclGroupPtrTy(); | |||
4673 | } | |||
4674 | ||||
4675 | // OpenMP [2.8.2, declare simd construct, Description] | |||
4676 | // The parameter of the simdlen clause must be a constant positive integer | |||
4677 | // expression. | |||
4678 | ExprResult SL; | |||
4679 | if (Simdlen) | |||
4680 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | |||
4681 | // OpenMP [2.8.2, declare simd construct, Description] | |||
4682 | // The special this pointer can be used as if was one of the arguments to the | |||
4683 | // function in any of the linear, aligned, or uniform clauses. | |||
4684 | // The uniform clause declares one or more arguments to have an invariant | |||
4685 | // value for all concurrent invocations of the function in the execution of a | |||
4686 | // single SIMD loop. | |||
4687 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; | |||
4688 | const Expr *UniformedLinearThis = nullptr; | |||
4689 | for (const Expr *E : Uniforms) { | |||
4690 | E = E->IgnoreParenImpCasts(); | |||
4691 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
4692 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | |||
4693 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
4694 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
4695 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | |||
4696 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); | |||
4697 | continue; | |||
4698 | } | |||
4699 | if (isa<CXXThisExpr>(E)) { | |||
4700 | UniformedLinearThis = E; | |||
4701 | continue; | |||
4702 | } | |||
4703 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
4704 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
4705 | } | |||
4706 | // OpenMP [2.8.2, declare simd construct, Description] | |||
4707 | // The aligned clause declares that the object to which each list item points | |||
4708 | // is aligned to the number of bytes expressed in the optional parameter of | |||
4709 | // the aligned clause. | |||
4710 | // The special this pointer can be used as if was one of the arguments to the | |||
4711 | // function in any of the linear, aligned, or uniform clauses. | |||
4712 | // The type of list items appearing in the aligned clause must be array, | |||
4713 | // pointer, reference to array, or reference to pointer. | |||
4714 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; | |||
4715 | const Expr *AlignedThis = nullptr; | |||
4716 | for (const Expr *E : Aligneds) { | |||
4717 | E = E->IgnoreParenImpCasts(); | |||
4718 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
4719 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
4720 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
4721 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
4722 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
4723 | ->getCanonicalDecl() == CanonPVD) { | |||
4724 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
4725 | // A list-item cannot appear in more than one aligned clause. | |||
4726 | if (AlignedArgs.count(CanonPVD) > 0) { | |||
4727 | Diag(E->getExprLoc(), diag::err_omp_aligned_twice) | |||
4728 | << 1 << E->getSourceRange(); | |||
4729 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | |||
4730 | diag::note_omp_explicit_dsa) | |||
4731 | << getOpenMPClauseName(OMPC_aligned); | |||
4732 | continue; | |||
4733 | } | |||
4734 | AlignedArgs[CanonPVD] = E; | |||
4735 | QualType QTy = PVD->getType() | |||
4736 | .getNonReferenceType() | |||
4737 | .getUnqualifiedType() | |||
4738 | .getCanonicalType(); | |||
4739 | const Type *Ty = QTy.getTypePtrOrNull(); | |||
4740 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
4741 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | |||
4742 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | |||
4743 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | |||
4744 | } | |||
4745 | continue; | |||
4746 | } | |||
4747 | } | |||
4748 | if (isa<CXXThisExpr>(E)) { | |||
4749 | if (AlignedThis) { | |||
4750 | Diag(E->getExprLoc(), diag::err_omp_aligned_twice) | |||
4751 | << 2 << E->getSourceRange(); | |||
4752 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
4753 | << getOpenMPClauseName(OMPC_aligned); | |||
4754 | } | |||
4755 | AlignedThis = E; | |||
4756 | continue; | |||
4757 | } | |||
4758 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
4759 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
4760 | } | |||
4761 | // The optional parameter of the aligned clause, alignment, must be a constant | |||
4762 | // positive integer expression. If no optional parameter is specified, | |||
4763 | // implementation-defined default alignments for SIMD instructions on the | |||
4764 | // target platforms are assumed. | |||
4765 | SmallVector<const Expr *, 4> NewAligns; | |||
4766 | for (Expr *E : Alignments) { | |||
4767 | ExprResult Align; | |||
4768 | if (E) | |||
4769 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | |||
4770 | NewAligns.push_back(Align.get()); | |||
4771 | } | |||
4772 | // OpenMP [2.8.2, declare simd construct, Description] | |||
4773 | // The linear clause declares one or more list items to be private to a SIMD | |||
4774 | // lane and to have a linear relationship with respect to the iteration space | |||
4775 | // of a loop. | |||
4776 | // The special this pointer can be used as if was one of the arguments to the | |||
4777 | // function in any of the linear, aligned, or uniform clauses. | |||
4778 | // When a linear-step expression is specified in a linear clause it must be | |||
4779 | // either a constant integer expression or an integer-typed parameter that is | |||
4780 | // specified in a uniform clause on the directive. | |||
4781 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; | |||
4782 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | |||
4783 | auto MI = LinModifiers.begin(); | |||
4784 | for (const Expr *E : Linears) { | |||
4785 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | |||
4786 | ++MI; | |||
4787 | E = E->IgnoreParenImpCasts(); | |||
4788 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
4789 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
4790 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
4791 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
4792 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
4793 | ->getCanonicalDecl() == CanonPVD) { | |||
4794 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | |||
4795 | // A list-item cannot appear in more than one linear clause. | |||
4796 | if (LinearArgs.count(CanonPVD) > 0) { | |||
4797 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
4798 | << getOpenMPClauseName(OMPC_linear) | |||
4799 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | |||
4800 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | |||
4801 | diag::note_omp_explicit_dsa) | |||
4802 | << getOpenMPClauseName(OMPC_linear); | |||
4803 | continue; | |||
4804 | } | |||
4805 | // Each argument can appear in at most one uniform or linear clause. | |||
4806 | if (UniformedArgs.count(CanonPVD) > 0) { | |||
4807 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
4808 | << getOpenMPClauseName(OMPC_linear) | |||
4809 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | |||
4810 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | |||
4811 | diag::note_omp_explicit_dsa) | |||
4812 | << getOpenMPClauseName(OMPC_uniform); | |||
4813 | continue; | |||
4814 | } | |||
4815 | LinearArgs[CanonPVD] = E; | |||
4816 | if (E->isValueDependent() || E->isTypeDependent() || | |||
4817 | E->isInstantiationDependent() || | |||
4818 | E->containsUnexpandedParameterPack()) | |||
4819 | continue; | |||
4820 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | |||
4821 | PVD->getOriginalType()); | |||
4822 | continue; | |||
4823 | } | |||
4824 | } | |||
4825 | if (isa<CXXThisExpr>(E)) { | |||
4826 | if (UniformedLinearThis) { | |||
4827 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
4828 | << getOpenMPClauseName(OMPC_linear) | |||
4829 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | |||
4830 | << E->getSourceRange(); | |||
4831 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
4832 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | |||
4833 | : OMPC_linear); | |||
4834 | continue; | |||
4835 | } | |||
4836 | UniformedLinearThis = E; | |||
4837 | if (E->isValueDependent() || E->isTypeDependent() || | |||
4838 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
4839 | continue; | |||
4840 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | |||
4841 | E->getType()); | |||
4842 | continue; | |||
4843 | } | |||
4844 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
4845 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
4846 | } | |||
4847 | Expr *Step = nullptr; | |||
4848 | Expr *NewStep = nullptr; | |||
4849 | SmallVector<Expr *, 4> NewSteps; | |||
4850 | for (Expr *E : Steps) { | |||
4851 | // Skip the same step expression, it was checked already. | |||
4852 | if (Step == E || !E) { | |||
4853 | NewSteps.push_back(E ? NewStep : nullptr); | |||
4854 | continue; | |||
4855 | } | |||
4856 | Step = E; | |||
4857 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) | |||
4858 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
4859 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
4860 | if (UniformedArgs.count(CanonPVD) == 0) { | |||
4861 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | |||
4862 | << Step->getSourceRange(); | |||
4863 | } else if (E->isValueDependent() || E->isTypeDependent() || | |||
4864 | E->isInstantiationDependent() || | |||
4865 | E->containsUnexpandedParameterPack() || | |||
4866 | CanonPVD->getType()->hasIntegerRepresentation()) { | |||
4867 | NewSteps.push_back(Step); | |||
4868 | } else { | |||
4869 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | |||
4870 | << Step->getSourceRange(); | |||
4871 | } | |||
4872 | continue; | |||
4873 | } | |||
4874 | NewStep = Step; | |||
4875 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
4876 | !Step->isInstantiationDependent() && | |||
4877 | !Step->containsUnexpandedParameterPack()) { | |||
4878 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | |||
4879 | .get(); | |||
4880 | if (NewStep) | |||
4881 | NewStep = VerifyIntegerConstantExpression(NewStep).get(); | |||
4882 | } | |||
4883 | NewSteps.push_back(NewStep); | |||
4884 | } | |||
4885 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | |||
4886 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | |||
4887 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | |||
4888 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | |||
4889 | const_cast<Expr **>(Linears.data()), Linears.size(), | |||
4890 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | |||
4891 | NewSteps.data(), NewSteps.size(), SR); | |||
4892 | ADecl->addAttr(NewAttr); | |||
4893 | return DG; | |||
4894 | } | |||
4895 | ||||
4896 | Optional<std::pair<FunctionDecl *, Expr *>> | |||
4897 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, | |||
4898 | Expr *VariantRef, SourceRange SR) { | |||
4899 | if (!DG || DG.get().isNull()) | |||
4900 | return None; | |||
4901 | ||||
4902 | const int VariantId = 1; | |||
4903 | // Must be applied only to single decl. | |||
4904 | if (!DG.get().isSingleDecl()) { | |||
4905 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | |||
4906 | << VariantId << SR; | |||
4907 | return None; | |||
4908 | } | |||
4909 | Decl *ADecl = DG.get().getSingleDecl(); | |||
4910 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | |||
4911 | ADecl = FTD->getTemplatedDecl(); | |||
4912 | ||||
4913 | // Decl must be a function. | |||
4914 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | |||
4915 | if (!FD) { | |||
4916 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) | |||
4917 | << VariantId << SR; | |||
4918 | return None; | |||
4919 | } | |||
4920 | ||||
4921 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { | |||
4922 | return FD->hasAttrs() && | |||
4923 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || | |||
4924 | FD->hasAttr<TargetAttr>()); | |||
4925 | }; | |||
4926 | // OpenMP is not compatible with CPU-specific attributes. | |||
4927 | if (HasMultiVersionAttributes(FD)) { | |||
4928 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) | |||
4929 | << SR; | |||
4930 | return None; | |||
4931 | } | |||
4932 | ||||
4933 | // Allow #pragma omp declare variant only if the function is not used. | |||
4934 | if (FD->isUsed(false)) | |||
4935 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) | |||
4936 | << FD->getLocation(); | |||
4937 | ||||
4938 | // Check if the function was emitted already. | |||
4939 | const FunctionDecl *Definition; | |||
4940 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && | |||
4941 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) | |||
4942 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) | |||
4943 | << FD->getLocation(); | |||
4944 | ||||
4945 | // The VariantRef must point to function. | |||
4946 | if (!VariantRef) { | |||
4947 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; | |||
4948 | return None; | |||
4949 | } | |||
4950 | ||||
4951 | // Do not check templates, wait until instantiation. | |||
4952 | if (VariantRef->isTypeDependent() || VariantRef->isValueDependent() || | |||
4953 | VariantRef->containsUnexpandedParameterPack() || | |||
4954 | VariantRef->isInstantiationDependent() || FD->isDependentContext()) | |||
4955 | return std::make_pair(FD, VariantRef); | |||
4956 | ||||
4957 | // Convert VariantRef expression to the type of the original function to | |||
4958 | // resolve possible conflicts. | |||
4959 | ExprResult VariantRefCast; | |||
4960 | if (LangOpts.CPlusPlus) { | |||
4961 | QualType FnPtrType; | |||
4962 | auto *Method = dyn_cast<CXXMethodDecl>(FD); | |||
4963 | if (Method && !Method->isStatic()) { | |||
4964 | const Type *ClassType = | |||
4965 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); | |||
4966 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); | |||
4967 | ExprResult ER; | |||
4968 | { | |||
4969 | // Build adrr_of unary op to correctly handle type checks for member | |||
4970 | // functions. | |||
4971 | Sema::TentativeAnalysisScope Trap(*this); | |||
4972 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, | |||
4973 | VariantRef); | |||
4974 | } | |||
4975 | if (!ER.isUsable()) { | |||
4976 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
4977 | << VariantId << VariantRef->getSourceRange(); | |||
4978 | return None; | |||
4979 | } | |||
4980 | VariantRef = ER.get(); | |||
4981 | } else { | |||
4982 | FnPtrType = Context.getPointerType(FD->getType()); | |||
4983 | } | |||
4984 | ImplicitConversionSequence ICS = | |||
4985 | TryImplicitConversion(VariantRef, FnPtrType.getUnqualifiedType(), | |||
4986 | /*SuppressUserConversions=*/false, | |||
4987 | /*AllowExplicit=*/false, | |||
4988 | /*InOverloadResolution=*/false, | |||
4989 | /*CStyle=*/false, | |||
4990 | /*AllowObjCWritebackConversion=*/false); | |||
4991 | if (ICS.isFailure()) { | |||
4992 | Diag(VariantRef->getExprLoc(), | |||
4993 | diag::err_omp_declare_variant_incompat_types) | |||
4994 | << VariantRef->getType() << FnPtrType << VariantRef->getSourceRange(); | |||
4995 | return None; | |||
4996 | } | |||
4997 | VariantRefCast = PerformImplicitConversion( | |||
4998 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); | |||
4999 | if (!VariantRefCast.isUsable()) | |||
5000 | return None; | |||
5001 | // Drop previously built artificial addr_of unary op for member functions. | |||
5002 | if (Method && !Method->isStatic()) { | |||
5003 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); | |||
5004 | if (auto *UO = dyn_cast<UnaryOperator>( | |||
5005 | PossibleAddrOfVariantRef->IgnoreImplicit())) | |||
5006 | VariantRefCast = UO->getSubExpr(); | |||
5007 | } | |||
5008 | } else { | |||
5009 | VariantRefCast = VariantRef; | |||
5010 | } | |||
5011 | ||||
5012 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); | |||
5013 | if (!ER.isUsable() || | |||
5014 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { | |||
5015 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
5016 | << VariantId << VariantRef->getSourceRange(); | |||
5017 | return None; | |||
5018 | } | |||
5019 | ||||
5020 | // The VariantRef must point to function. | |||
5021 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); | |||
5022 | if (!DRE) { | |||
5023 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
5024 | << VariantId << VariantRef->getSourceRange(); | |||
5025 | return None; | |||
5026 | } | |||
5027 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); | |||
5028 | if (!NewFD) { | |||
5029 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
5030 | << VariantId << VariantRef->getSourceRange(); | |||
5031 | return None; | |||
5032 | } | |||
5033 | ||||
5034 | // Check if variant function is not marked with declare variant directive. | |||
5035 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { | |||
5036 | Diag(VariantRef->getExprLoc(), | |||
5037 | diag::warn_omp_declare_variant_marked_as_declare_variant) | |||
5038 | << VariantRef->getSourceRange(); | |||
5039 | SourceRange SR = | |||
5040 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); | |||
5041 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; | |||
5042 | return None; | |||
5043 | } | |||
5044 | ||||
5045 | enum DoesntSupport { | |||
5046 | VirtFuncs = 1, | |||
5047 | Constructors = 3, | |||
5048 | Destructors = 4, | |||
5049 | DeletedFuncs = 5, | |||
5050 | DefaultedFuncs = 6, | |||
5051 | ConstexprFuncs = 7, | |||
5052 | ConstevalFuncs = 8, | |||
5053 | }; | |||
5054 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { | |||
5055 | if (CXXFD->isVirtual()) { | |||
5056 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5057 | << VirtFuncs; | |||
5058 | return None; | |||
5059 | } | |||
5060 | ||||
5061 | if (isa<CXXConstructorDecl>(FD)) { | |||
5062 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5063 | << Constructors; | |||
5064 | return None; | |||
5065 | } | |||
5066 | ||||
5067 | if (isa<CXXDestructorDecl>(FD)) { | |||
5068 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5069 | << Destructors; | |||
5070 | return None; | |||
5071 | } | |||
5072 | } | |||
5073 | ||||
5074 | if (FD->isDeleted()) { | |||
5075 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5076 | << DeletedFuncs; | |||
5077 | return None; | |||
5078 | } | |||
5079 | ||||
5080 | if (FD->isDefaulted()) { | |||
5081 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5082 | << DefaultedFuncs; | |||
5083 | return None; | |||
5084 | } | |||
5085 | ||||
5086 | if (FD->isConstexpr()) { | |||
5087 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
5088 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); | |||
5089 | return None; | |||
5090 | } | |||
5091 | ||||
5092 | // Check general compatibility. | |||
5093 | if (areMultiversionVariantFunctionsCompatible( | |||
5094 | FD, NewFD, PDiag(diag::err_omp_declare_variant_noproto), | |||
5095 | PartialDiagnosticAt( | |||
5096 | SR.getBegin(), | |||
5097 | PDiag(diag::note_omp_declare_variant_specified_here) << SR), | |||
5098 | PartialDiagnosticAt( | |||
5099 | VariantRef->getExprLoc(), | |||
5100 | PDiag(diag::err_omp_declare_variant_doesnt_support)), | |||
5101 | PartialDiagnosticAt(VariantRef->getExprLoc(), | |||
5102 | PDiag(diag::err_omp_declare_variant_diff) | |||
5103 | << FD->getLocation()), | |||
5104 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false)) | |||
5105 | return None; | |||
5106 | return std::make_pair(FD, cast<Expr>(DRE)); | |||
5107 | } | |||
5108 | ||||
5109 | void Sema::ActOnOpenMPDeclareVariantDirective( | |||
5110 | FunctionDecl *FD, Expr *VariantRef, SourceRange SR, | |||
5111 | const Sema::OpenMPDeclareVariantCtsSelectorData &Data) { | |||
5112 | if (Data.CtxSet == OMPDeclareVariantAttr::CtxSetUnknown || | |||
5113 | Data.Ctx == OMPDeclareVariantAttr::CtxUnknown) | |||
5114 | return; | |||
5115 | Expr *Score = nullptr; | |||
5116 | OMPDeclareVariantAttr::ScoreType ST = OMPDeclareVariantAttr::ScoreUnknown; | |||
5117 | if (Data.CtxScore.isUsable()) { | |||
5118 | ST = OMPDeclareVariantAttr::ScoreSpecified; | |||
5119 | Score = Data.CtxScore.get(); | |||
5120 | if (!Score->isTypeDependent() && !Score->isValueDependent() && | |||
5121 | !Score->isInstantiationDependent() && | |||
5122 | !Score->containsUnexpandedParameterPack()) { | |||
5123 | llvm::APSInt Result; | |||
5124 | ExprResult ICE = VerifyIntegerConstantExpression(Score, &Result); | |||
5125 | if (ICE.isInvalid()) | |||
5126 | return; | |||
5127 | } | |||
5128 | } | |||
5129 | auto *NewAttr = OMPDeclareVariantAttr::CreateImplicit( | |||
5130 | Context, VariantRef, Score, Data.CtxSet, ST, Data.Ctx, Data.ImplVendor, | |||
5131 | SR); | |||
5132 | FD->addAttr(NewAttr); | |||
5133 | } | |||
5134 | ||||
5135 | void Sema::markOpenMPDeclareVariantFuncsReferenced(SourceLocation Loc, | |||
5136 | FunctionDecl *Func, | |||
5137 | bool MightBeOdrUse) { | |||
5138 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((LangOpts.OpenMP && "Expected OpenMP mode.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5138, __PRETTY_FUNCTION__)); | |||
5139 | ||||
5140 | if (!Func->isDependentContext() && Func->hasAttrs()) { | |||
5141 | for (OMPDeclareVariantAttr *A : | |||
5142 | Func->specific_attrs<OMPDeclareVariantAttr>()) { | |||
5143 | // TODO: add checks for active OpenMP context where possible. | |||
5144 | Expr *VariantRef = A->getVariantFuncRef(); | |||
5145 | auto *DRE = dyn_cast<DeclRefExpr>(VariantRef->IgnoreParenImpCasts()); | |||
5146 | auto *F = cast<FunctionDecl>(DRE->getDecl()); | |||
5147 | if (!F->isDefined() && F->isTemplateInstantiation()) | |||
5148 | InstantiateFunctionDefinition(Loc, F->getFirstDecl()); | |||
5149 | MarkFunctionReferenced(Loc, F, MightBeOdrUse); | |||
5150 | } | |||
5151 | } | |||
5152 | } | |||
5153 | ||||
5154 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
5155 | Stmt *AStmt, | |||
5156 | SourceLocation StartLoc, | |||
5157 | SourceLocation EndLoc) { | |||
5158 | if (!AStmt) | |||
5159 | return StmtError(); | |||
5160 | ||||
5161 | auto *CS = cast<CapturedStmt>(AStmt); | |||
5162 | // 1.2.2 OpenMP Language Terminology | |||
5163 | // Structured block - An executable statement with a single entry at the | |||
5164 | // top and a single exit at the bottom. | |||
5165 | // The point of exit cannot be a branch out of the structured block. | |||
5166 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
5167 | CS->getCapturedDecl()->setNothrow(); | |||
5168 | ||||
5169 | setFunctionHasBranchProtectedScope(); | |||
5170 | ||||
5171 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
5172 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5173 | } | |||
5174 | ||||
5175 | namespace { | |||
5176 | /// Iteration space of a single for loop. | |||
5177 | struct LoopIterationSpace final { | |||
5178 | /// True if the condition operator is the strict compare operator (<, > or | |||
5179 | /// !=). | |||
5180 | bool IsStrictCompare = false; | |||
5181 | /// Condition of the loop. | |||
5182 | Expr *PreCond = nullptr; | |||
5183 | /// This expression calculates the number of iterations in the loop. | |||
5184 | /// It is always possible to calculate it before starting the loop. | |||
5185 | Expr *NumIterations = nullptr; | |||
5186 | /// The loop counter variable. | |||
5187 | Expr *CounterVar = nullptr; | |||
5188 | /// Private loop counter variable. | |||
5189 | Expr *PrivateCounterVar = nullptr; | |||
5190 | /// This is initializer for the initial value of #CounterVar. | |||
5191 | Expr *CounterInit = nullptr; | |||
5192 | /// This is step for the #CounterVar used to generate its update: | |||
5193 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | |||
5194 | Expr *CounterStep = nullptr; | |||
5195 | /// Should step be subtracted? | |||
5196 | bool Subtract = false; | |||
5197 | /// Source range of the loop init. | |||
5198 | SourceRange InitSrcRange; | |||
5199 | /// Source range of the loop condition. | |||
5200 | SourceRange CondSrcRange; | |||
5201 | /// Source range of the loop increment. | |||
5202 | SourceRange IncSrcRange; | |||
5203 | /// Minimum value that can have the loop control variable. Used to support | |||
5204 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, | |||
5205 | /// since only such variables can be used in non-loop invariant expressions. | |||
5206 | Expr *MinValue = nullptr; | |||
5207 | /// Maximum value that can have the loop control variable. Used to support | |||
5208 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, | |||
5209 | /// since only such variables can be used in non-loop invariant expressions. | |||
5210 | Expr *MaxValue = nullptr; | |||
5211 | /// true, if the lower bound depends on the outer loop control var. | |||
5212 | bool IsNonRectangularLB = false; | |||
5213 | /// true, if the upper bound depends on the outer loop control var. | |||
5214 | bool IsNonRectangularUB = false; | |||
5215 | /// Index of the loop this loop depends on and forms non-rectangular loop | |||
5216 | /// nest. | |||
5217 | unsigned LoopDependentIdx = 0; | |||
5218 | /// Final condition for the non-rectangular loop nest support. It is used to | |||
5219 | /// check that the number of iterations for this particular counter must be | |||
5220 | /// finished. | |||
5221 | Expr *FinalCondition = nullptr; | |||
5222 | }; | |||
5223 | ||||
5224 | /// Helper class for checking canonical form of the OpenMP loops and | |||
5225 | /// extracting iteration space of each loop in the loop nest, that will be used | |||
5226 | /// for IR generation. | |||
5227 | class OpenMPIterationSpaceChecker { | |||
5228 | /// Reference to Sema. | |||
5229 | Sema &SemaRef; | |||
5230 | /// Data-sharing stack. | |||
5231 | DSAStackTy &Stack; | |||
5232 | /// A location for diagnostics (when there is no some better location). | |||
5233 | SourceLocation DefaultLoc; | |||
5234 | /// A location for diagnostics (when increment is not compatible). | |||
5235 | SourceLocation ConditionLoc; | |||
5236 | /// A source location for referring to loop init later. | |||
5237 | SourceRange InitSrcRange; | |||
5238 | /// A source location for referring to condition later. | |||
5239 | SourceRange ConditionSrcRange; | |||
5240 | /// A source location for referring to increment later. | |||
5241 | SourceRange IncrementSrcRange; | |||
5242 | /// Loop variable. | |||
5243 | ValueDecl *LCDecl = nullptr; | |||
5244 | /// Reference to loop variable. | |||
5245 | Expr *LCRef = nullptr; | |||
5246 | /// Lower bound (initializer for the var). | |||
5247 | Expr *LB = nullptr; | |||
5248 | /// Upper bound. | |||
5249 | Expr *UB = nullptr; | |||
5250 | /// Loop step (increment). | |||
5251 | Expr *Step = nullptr; | |||
5252 | /// This flag is true when condition is one of: | |||
5253 | /// Var < UB | |||
5254 | /// Var <= UB | |||
5255 | /// UB > Var | |||
5256 | /// UB >= Var | |||
5257 | /// This will have no value when the condition is != | |||
5258 | llvm::Optional<bool> TestIsLessOp; | |||
5259 | /// This flag is true when condition is strict ( < or > ). | |||
5260 | bool TestIsStrictOp = false; | |||
5261 | /// This flag is true when step is subtracted on each iteration. | |||
5262 | bool SubtractStep = false; | |||
5263 | /// The outer loop counter this loop depends on (if any). | |||
5264 | const ValueDecl *DepDecl = nullptr; | |||
5265 | /// Contains number of loop (starts from 1) on which loop counter init | |||
5266 | /// expression of this loop depends on. | |||
5267 | Optional<unsigned> InitDependOnLC; | |||
5268 | /// Contains number of loop (starts from 1) on which loop counter condition | |||
5269 | /// expression of this loop depends on. | |||
5270 | Optional<unsigned> CondDependOnLC; | |||
5271 | /// Checks if the provide statement depends on the loop counter. | |||
5272 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); | |||
5273 | /// Original condition required for checking of the exit condition for | |||
5274 | /// non-rectangular loop. | |||
5275 | Expr *Condition = nullptr; | |||
5276 | ||||
5277 | public: | |||
5278 | OpenMPIterationSpaceChecker(Sema &SemaRef, DSAStackTy &Stack, | |||
5279 | SourceLocation DefaultLoc) | |||
5280 | : SemaRef(SemaRef), Stack(Stack), DefaultLoc(DefaultLoc), | |||
5281 | ConditionLoc(DefaultLoc) {} | |||
5282 | /// Check init-expr for canonical loop form and save loop counter | |||
5283 | /// variable - #Var and its initialization value - #LB. | |||
5284 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); | |||
5285 | /// Check test-expr for canonical form, save upper-bound (#UB), flags | |||
5286 | /// for less/greater and for strict/non-strict comparison. | |||
5287 | bool checkAndSetCond(Expr *S); | |||
5288 | /// Check incr-expr for canonical loop form and return true if it | |||
5289 | /// does not conform, otherwise save loop step (#Step). | |||
5290 | bool checkAndSetInc(Expr *S); | |||
5291 | /// Return the loop counter variable. | |||
5292 | ValueDecl *getLoopDecl() const { return LCDecl; } | |||
5293 | /// Return the reference expression to loop counter variable. | |||
5294 | Expr *getLoopDeclRefExpr() const { return LCRef; } | |||
5295 | /// Source range of the loop init. | |||
5296 | SourceRange getInitSrcRange() const { return InitSrcRange; } | |||
5297 | /// Source range of the loop condition. | |||
5298 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } | |||
5299 | /// Source range of the loop increment. | |||
5300 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } | |||
5301 | /// True if the step should be subtracted. | |||
5302 | bool shouldSubtractStep() const { return SubtractStep; } | |||
5303 | /// True, if the compare operator is strict (<, > or !=). | |||
5304 | bool isStrictTestOp() const { return TestIsStrictOp; } | |||
5305 | /// Build the expression to calculate the number of iterations. | |||
5306 | Expr *buildNumIterations( | |||
5307 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | |||
5308 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
5309 | /// Build the precondition expression for the loops. | |||
5310 | Expr * | |||
5311 | buildPreCond(Scope *S, Expr *Cond, | |||
5312 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
5313 | /// Build reference expression to the counter be used for codegen. | |||
5314 | DeclRefExpr * | |||
5315 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
5316 | DSAStackTy &DSA) const; | |||
5317 | /// Build reference expression to the private counter be used for | |||
5318 | /// codegen. | |||
5319 | Expr *buildPrivateCounterVar() const; | |||
5320 | /// Build initialization of the counter be used for codegen. | |||
5321 | Expr *buildCounterInit() const; | |||
5322 | /// Build step of the counter be used for codegen. | |||
5323 | Expr *buildCounterStep() const; | |||
5324 | /// Build loop data with counter value for depend clauses in ordered | |||
5325 | /// directives. | |||
5326 | Expr * | |||
5327 | buildOrderedLoopData(Scope *S, Expr *Counter, | |||
5328 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
5329 | SourceLocation Loc, Expr *Inc = nullptr, | |||
5330 | OverloadedOperatorKind OOK = OO_Amp); | |||
5331 | /// Builds the minimum value for the loop counter. | |||
5332 | std::pair<Expr *, Expr *> buildMinMaxValues( | |||
5333 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
5334 | /// Builds final condition for the non-rectangular loops. | |||
5335 | Expr *buildFinalCondition(Scope *S) const; | |||
5336 | /// Return true if any expression is dependent. | |||
5337 | bool dependent() const; | |||
5338 | /// Returns true if the initializer forms non-rectangular loop. | |||
5339 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } | |||
5340 | /// Returns true if the condition forms non-rectangular loop. | |||
5341 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } | |||
5342 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. | |||
5343 | unsigned getLoopDependentIdx() const { | |||
5344 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); | |||
5345 | } | |||
5346 | ||||
5347 | private: | |||
5348 | /// Check the right-hand side of an assignment in the increment | |||
5349 | /// expression. | |||
5350 | bool checkAndSetIncRHS(Expr *RHS); | |||
5351 | /// Helper to set loop counter variable and its initializer. | |||
5352 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, | |||
5353 | bool EmitDiags); | |||
5354 | /// Helper to set upper bound. | |||
5355 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, | |||
5356 | SourceRange SR, SourceLocation SL); | |||
5357 | /// Helper to set loop increment. | |||
5358 | bool setStep(Expr *NewStep, bool Subtract); | |||
5359 | }; | |||
5360 | ||||
5361 | bool OpenMPIterationSpaceChecker::dependent() const { | |||
5362 | if (!LCDecl) { | |||
5363 | assert(!LB && !UB && !Step)((!LB && !UB && !Step) ? static_cast<void> (0) : __assert_fail ("!LB && !UB && !Step", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5363, __PRETTY_FUNCTION__)); | |||
5364 | return false; | |||
5365 | } | |||
5366 | return LCDecl->getType()->isDependentType() || | |||
5367 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | |||
5368 | (Step && Step->isValueDependent()); | |||
5369 | } | |||
5370 | ||||
5371 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, | |||
5372 | Expr *NewLCRefExpr, | |||
5373 | Expr *NewLB, bool EmitDiags) { | |||
5374 | // State consistency checking to ensure correct usage. | |||
5375 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5376, __PRETTY_FUNCTION__)) | |||
5376 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5376, __PRETTY_FUNCTION__)); | |||
5377 | if (!NewLCDecl || !NewLB) | |||
5378 | return true; | |||
5379 | LCDecl = getCanonicalDecl(NewLCDecl); | |||
5380 | LCRef = NewLCRefExpr; | |||
5381 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | |||
5382 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
5383 | if ((Ctor->isCopyOrMoveConstructor() || | |||
5384 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
5385 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
5386 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | |||
5387 | LB = NewLB; | |||
5388 | if (EmitDiags) | |||
5389 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); | |||
5390 | return false; | |||
5391 | } | |||
5392 | ||||
5393 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, | |||
5394 | llvm::Optional<bool> LessOp, | |||
5395 | bool StrictOp, SourceRange SR, | |||
5396 | SourceLocation SL) { | |||
5397 | // State consistency checking to ensure correct usage. | |||
5398 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5399, __PRETTY_FUNCTION__)) | |||
5399 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5399, __PRETTY_FUNCTION__)); | |||
5400 | if (!NewUB) | |||
5401 | return true; | |||
5402 | UB = NewUB; | |||
5403 | if (LessOp) | |||
5404 | TestIsLessOp = LessOp; | |||
5405 | TestIsStrictOp = StrictOp; | |||
5406 | ConditionSrcRange = SR; | |||
5407 | ConditionLoc = SL; | |||
5408 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); | |||
5409 | return false; | |||
5410 | } | |||
5411 | ||||
5412 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { | |||
5413 | // State consistency checking to ensure correct usage. | |||
5414 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)((LCDecl != nullptr && LB != nullptr && Step == nullptr) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && Step == nullptr" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5414, __PRETTY_FUNCTION__)); | |||
5415 | if (!NewStep) | |||
5416 | return true; | |||
5417 | if (!NewStep->isValueDependent()) { | |||
5418 | // Check that the step is integer expression. | |||
5419 | SourceLocation StepLoc = NewStep->getBeginLoc(); | |||
5420 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | |||
5421 | StepLoc, getExprAsWritten(NewStep)); | |||
5422 | if (Val.isInvalid()) | |||
5423 | return true; | |||
5424 | NewStep = Val.get(); | |||
5425 | ||||
5426 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | |||
5427 | // If test-expr is of form var relational-op b and relational-op is < or | |||
5428 | // <= then incr-expr must cause var to increase on each iteration of the | |||
5429 | // loop. If test-expr is of form var relational-op b and relational-op is | |||
5430 | // > or >= then incr-expr must cause var to decrease on each iteration of | |||
5431 | // the loop. | |||
5432 | // If test-expr is of form b relational-op var and relational-op is < or | |||
5433 | // <= then incr-expr must cause var to decrease on each iteration of the | |||
5434 | // loop. If test-expr is of form b relational-op var and relational-op is | |||
5435 | // > or >= then incr-expr must cause var to increase on each iteration of | |||
5436 | // the loop. | |||
5437 | llvm::APSInt Result; | |||
5438 | bool IsConstant = NewStep->isIntegerConstantExpr(Result, SemaRef.Context); | |||
5439 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | |||
5440 | bool IsConstNeg = | |||
5441 | IsConstant && Result.isSigned() && (Subtract != Result.isNegative()); | |||
5442 | bool IsConstPos = | |||
5443 | IsConstant && Result.isSigned() && (Subtract == Result.isNegative()); | |||
5444 | bool IsConstZero = IsConstant && !Result.getBoolValue(); | |||
5445 | ||||
5446 | // != with increment is treated as <; != with decrement is treated as > | |||
5447 | if (!TestIsLessOp.hasValue()) | |||
5448 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); | |||
5449 | if (UB && (IsConstZero || | |||
5450 | (TestIsLessOp.getValue() ? | |||
5451 | (IsConstNeg || (IsUnsigned && Subtract)) : | |||
5452 | (IsConstPos || (IsUnsigned && !Subtract))))) { | |||
5453 | SemaRef.Diag(NewStep->getExprLoc(), | |||
5454 | diag::err_omp_loop_incr_not_compatible) | |||
5455 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); | |||
5456 | SemaRef.Diag(ConditionLoc, | |||
5457 | diag::note_omp_loop_cond_requres_compatible_incr) | |||
5458 | << TestIsLessOp.getValue() << ConditionSrcRange; | |||
5459 | return true; | |||
5460 | } | |||
5461 | if (TestIsLessOp.getValue() == Subtract) { | |||
5462 | NewStep = | |||
5463 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | |||
5464 | .get(); | |||
5465 | Subtract = !Subtract; | |||
5466 | } | |||
5467 | } | |||
5468 | ||||
5469 | Step = NewStep; | |||
5470 | SubtractStep = Subtract; | |||
5471 | return false; | |||
5472 | } | |||
5473 | ||||
5474 | namespace { | |||
5475 | /// Checker for the non-rectangular loops. Checks if the initializer or | |||
5476 | /// condition expression references loop counter variable. | |||
5477 | class LoopCounterRefChecker final | |||
5478 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { | |||
5479 | Sema &SemaRef; | |||
5480 | DSAStackTy &Stack; | |||
5481 | const ValueDecl *CurLCDecl = nullptr; | |||
5482 | const ValueDecl *DepDecl = nullptr; | |||
5483 | const ValueDecl *PrevDepDecl = nullptr; | |||
5484 | bool IsInitializer = true; | |||
5485 | unsigned BaseLoopId = 0; | |||
5486 | bool checkDecl(const Expr *E, const ValueDecl *VD) { | |||
5487 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { | |||
5488 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) | |||
5489 | << (IsInitializer ? 0 : 1); | |||
5490 | return false; | |||
5491 | } | |||
5492 | const auto &&Data = Stack.isLoopControlVariable(VD); | |||
5493 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. | |||
5494 | // The type of the loop iterator on which we depend may not have a random | |||
5495 | // access iterator type. | |||
5496 | if (Data.first && VD->getType()->isRecordType()) { | |||
5497 | SmallString<128> Name; | |||
5498 | llvm::raw_svector_ostream OS(Name); | |||
5499 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | |||
5500 | /*Qualified=*/true); | |||
5501 | SemaRef.Diag(E->getExprLoc(), | |||
5502 | diag::err_omp_wrong_dependency_iterator_type) | |||
5503 | << OS.str(); | |||
5504 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; | |||
5505 | return false; | |||
5506 | } | |||
5507 | if (Data.first && | |||
5508 | (DepDecl || (PrevDepDecl && | |||
5509 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { | |||
5510 | if (!DepDecl && PrevDepDecl) | |||
5511 | DepDecl = PrevDepDecl; | |||
5512 | SmallString<128> Name; | |||
5513 | llvm::raw_svector_ostream OS(Name); | |||
5514 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | |||
5515 | /*Qualified=*/true); | |||
5516 | SemaRef.Diag(E->getExprLoc(), | |||
5517 | diag::err_omp_invariant_or_linear_dependency) | |||
5518 | << OS.str(); | |||
5519 | return false; | |||
5520 | } | |||
5521 | if (Data.first) { | |||
5522 | DepDecl = VD; | |||
5523 | BaseLoopId = Data.first; | |||
5524 | } | |||
5525 | return Data.first; | |||
5526 | } | |||
5527 | ||||
5528 | public: | |||
5529 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
5530 | const ValueDecl *VD = E->getDecl(); | |||
5531 | if (isa<VarDecl>(VD)) | |||
5532 | return checkDecl(E, VD); | |||
5533 | return false; | |||
5534 | } | |||
5535 | bool VisitMemberExpr(const MemberExpr *E) { | |||
5536 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | |||
5537 | const ValueDecl *VD = E->getMemberDecl(); | |||
5538 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) | |||
5539 | return checkDecl(E, VD); | |||
5540 | } | |||
5541 | return false; | |||
5542 | } | |||
5543 | bool VisitStmt(const Stmt *S) { | |||
5544 | bool Res = false; | |||
5545 | for (const Stmt *Child : S->children()) | |||
5546 | Res = (Child && Visit(Child)) || Res; | |||
5547 | return Res; | |||
5548 | } | |||
5549 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, | |||
5550 | const ValueDecl *CurLCDecl, bool IsInitializer, | |||
5551 | const ValueDecl *PrevDepDecl = nullptr) | |||
5552 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), | |||
5553 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer) {} | |||
5554 | unsigned getBaseLoopId() const { | |||
5555 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5555, __PRETTY_FUNCTION__)); | |||
5556 | return BaseLoopId; | |||
5557 | } | |||
5558 | const ValueDecl *getDepDecl() const { | |||
5559 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5559, __PRETTY_FUNCTION__)); | |||
5560 | return DepDecl; | |||
5561 | } | |||
5562 | }; | |||
5563 | } // namespace | |||
5564 | ||||
5565 | Optional<unsigned> | |||
5566 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, | |||
5567 | bool IsInitializer) { | |||
5568 | // Check for the non-rectangular loops. | |||
5569 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, | |||
5570 | DepDecl); | |||
5571 | if (LoopStmtChecker.Visit(S)) { | |||
5572 | DepDecl = LoopStmtChecker.getDepDecl(); | |||
5573 | return LoopStmtChecker.getBaseLoopId(); | |||
5574 | } | |||
5575 | return llvm::None; | |||
5576 | } | |||
5577 | ||||
5578 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { | |||
5579 | // Check init-expr for canonical loop form and save loop counter | |||
5580 | // variable - #Var and its initialization value - #LB. | |||
5581 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | |||
5582 | // var = lb | |||
5583 | // integer-type var = lb | |||
5584 | // random-access-iterator-type var = lb | |||
5585 | // pointer-type var = lb | |||
5586 | // | |||
5587 | if (!S) { | |||
5588 | if (EmitDiags) { | |||
5589 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | |||
5590 | } | |||
5591 | return true; | |||
5592 | } | |||
5593 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
5594 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
5595 | S = ExprTemp->getSubExpr(); | |||
5596 | ||||
5597 | InitSrcRange = S->getSourceRange(); | |||
5598 | if (Expr *E = dyn_cast<Expr>(S)) | |||
5599 | S = E->IgnoreParens(); | |||
5600 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
5601 | if (BO->getOpcode() == BO_Assign) { | |||
5602 | Expr *LHS = BO->getLHS()->IgnoreParens(); | |||
5603 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
5604 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
5605 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
5606 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
5607 | EmitDiags); | |||
5608 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); | |||
5609 | } | |||
5610 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
5611 | if (ME->isArrow() && | |||
5612 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
5613 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
5614 | EmitDiags); | |||
5615 | } | |||
5616 | } | |||
5617 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | |||
5618 | if (DS->isSingleDecl()) { | |||
5619 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | |||
5620 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | |||
5621 | // Accept non-canonical init form here but emit ext. warning. | |||
5622 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | |||
5623 | SemaRef.Diag(S->getBeginLoc(), | |||
5624 | diag::ext_omp_loop_not_canonical_init) | |||
5625 | << S->getSourceRange(); | |||
5626 | return setLCDeclAndLB( | |||
5627 | Var, | |||
5628 | buildDeclRefExpr(SemaRef, Var, | |||
5629 | Var->getType().getNonReferenceType(), | |||
5630 | DS->getBeginLoc()), | |||
5631 | Var->getInit(), EmitDiags); | |||
5632 | } | |||
5633 | } | |||
5634 | } | |||
5635 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
5636 | if (CE->getOperator() == OO_Equal) { | |||
5637 | Expr *LHS = CE->getArg(0); | |||
5638 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
5639 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
5640 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
5641 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
5642 | EmitDiags); | |||
5643 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); | |||
5644 | } | |||
5645 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
5646 | if (ME->isArrow() && | |||
5647 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
5648 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
5649 | EmitDiags); | |||
5650 | } | |||
5651 | } | |||
5652 | } | |||
5653 | ||||
5654 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
5655 | return false; | |||
5656 | if (EmitDiags) { | |||
5657 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) | |||
5658 | << S->getSourceRange(); | |||
5659 | } | |||
5660 | return true; | |||
5661 | } | |||
5662 | ||||
5663 | /// Ignore parenthesizes, implicit casts, copy constructor and return the | |||
5664 | /// variable (which may be the loop variable) if possible. | |||
5665 | static const ValueDecl *getInitLCDecl(const Expr *E) { | |||
5666 | if (!E) | |||
5667 | return nullptr; | |||
5668 | E = getExprAsWritten(E); | |||
5669 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | |||
5670 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
5671 | if ((Ctor->isCopyOrMoveConstructor() || | |||
5672 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
5673 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
5674 | E = CE->getArg(0)->IgnoreParenImpCasts(); | |||
5675 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | |||
5676 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | |||
5677 | return getCanonicalDecl(VD); | |||
5678 | } | |||
5679 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) | |||
5680 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
5681 | return getCanonicalDecl(ME->getMemberDecl()); | |||
5682 | return nullptr; | |||
5683 | } | |||
5684 | ||||
5685 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { | |||
5686 | // Check test-expr for canonical form, save upper-bound UB, flags for | |||
5687 | // less/greater and for strict/non-strict comparison. | |||
5688 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: | |||
5689 | // var relational-op b | |||
5690 | // b relational-op var | |||
5691 | // | |||
5692 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; | |||
5693 | if (!S) { | |||
5694 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) | |||
5695 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; | |||
5696 | return true; | |||
5697 | } | |||
5698 | Condition = S; | |||
5699 | S = getExprAsWritten(S); | |||
5700 | SourceLocation CondLoc = S->getBeginLoc(); | |||
5701 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
5702 | if (BO->isRelationalOp()) { | |||
5703 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
5704 | return setUB(BO->getRHS(), | |||
5705 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_LE), | |||
5706 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | |||
5707 | BO->getSourceRange(), BO->getOperatorLoc()); | |||
5708 | if (getInitLCDecl(BO->getRHS()) == LCDecl) | |||
5709 | return setUB(BO->getLHS(), | |||
5710 | (BO->getOpcode() == BO_GT || BO->getOpcode() == BO_GE), | |||
5711 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | |||
5712 | BO->getSourceRange(), BO->getOperatorLoc()); | |||
5713 | } else if (IneqCondIsCanonical && BO->getOpcode() == BO_NE) | |||
5714 | return setUB( | |||
5715 | getInitLCDecl(BO->getLHS()) == LCDecl ? BO->getRHS() : BO->getLHS(), | |||
5716 | /*LessOp=*/llvm::None, | |||
5717 | /*StrictOp=*/true, BO->getSourceRange(), BO->getOperatorLoc()); | |||
5718 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
5719 | if (CE->getNumArgs() == 2) { | |||
5720 | auto Op = CE->getOperator(); | |||
5721 | switch (Op) { | |||
5722 | case OO_Greater: | |||
5723 | case OO_GreaterEqual: | |||
5724 | case OO_Less: | |||
5725 | case OO_LessEqual: | |||
5726 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
5727 | return setUB(CE->getArg(1), Op == OO_Less || Op == OO_LessEqual, | |||
5728 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | |||
5729 | CE->getOperatorLoc()); | |||
5730 | if (getInitLCDecl(CE->getArg(1)) == LCDecl) | |||
5731 | return setUB(CE->getArg(0), Op == OO_Greater || Op == OO_GreaterEqual, | |||
5732 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | |||
5733 | CE->getOperatorLoc()); | |||
5734 | break; | |||
5735 | case OO_ExclaimEqual: | |||
5736 | if (IneqCondIsCanonical) | |||
5737 | return setUB(getInitLCDecl(CE->getArg(0)) == LCDecl ? CE->getArg(1) | |||
5738 | : CE->getArg(0), | |||
5739 | /*LessOp=*/llvm::None, | |||
5740 | /*StrictOp=*/true, CE->getSourceRange(), | |||
5741 | CE->getOperatorLoc()); | |||
5742 | break; | |||
5743 | default: | |||
5744 | break; | |||
5745 | } | |||
5746 | } | |||
5747 | } | |||
5748 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
5749 | return false; | |||
5750 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | |||
5751 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; | |||
5752 | return true; | |||
5753 | } | |||
5754 | ||||
5755 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { | |||
5756 | // RHS of canonical loop form increment can be: | |||
5757 | // var + incr | |||
5758 | // incr + var | |||
5759 | // var - incr | |||
5760 | // | |||
5761 | RHS = RHS->IgnoreParenImpCasts(); | |||
5762 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | |||
5763 | if (BO->isAdditiveOp()) { | |||
5764 | bool IsAdd = BO->getOpcode() == BO_Add; | |||
5765 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
5766 | return setStep(BO->getRHS(), !IsAdd); | |||
5767 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) | |||
5768 | return setStep(BO->getLHS(), /*Subtract=*/false); | |||
5769 | } | |||
5770 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | |||
5771 | bool IsAdd = CE->getOperator() == OO_Plus; | |||
5772 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | |||
5773 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
5774 | return setStep(CE->getArg(1), !IsAdd); | |||
5775 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) | |||
5776 | return setStep(CE->getArg(0), /*Subtract=*/false); | |||
5777 | } | |||
5778 | } | |||
5779 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
5780 | return false; | |||
5781 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | |||
5782 | << RHS->getSourceRange() << LCDecl; | |||
5783 | return true; | |||
5784 | } | |||
5785 | ||||
5786 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { | |||
5787 | // Check incr-expr for canonical loop form and return true if it | |||
5788 | // does not conform. | |||
5789 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | |||
5790 | // ++var | |||
5791 | // var++ | |||
5792 | // --var | |||
5793 | // var-- | |||
5794 | // var += incr | |||
5795 | // var -= incr | |||
5796 | // var = var + incr | |||
5797 | // var = incr + var | |||
5798 | // var = var - incr | |||
5799 | // | |||
5800 | if (!S) { | |||
5801 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | |||
5802 | return true; | |||
5803 | } | |||
5804 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
5805 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
5806 | S = ExprTemp->getSubExpr(); | |||
5807 | ||||
5808 | IncrementSrcRange = S->getSourceRange(); | |||
5809 | S = S->IgnoreParens(); | |||
5810 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | |||
5811 | if (UO->isIncrementDecrementOp() && | |||
5812 | getInitLCDecl(UO->getSubExpr()) == LCDecl) | |||
5813 | return setStep(SemaRef | |||
5814 | .ActOnIntegerConstant(UO->getBeginLoc(), | |||
5815 | (UO->isDecrementOp() ? -1 : 1)) | |||
5816 | .get(), | |||
5817 | /*Subtract=*/false); | |||
5818 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
5819 | switch (BO->getOpcode()) { | |||
5820 | case BO_AddAssign: | |||
5821 | case BO_SubAssign: | |||
5822 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
5823 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | |||
5824 | break; | |||
5825 | case BO_Assign: | |||
5826 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
5827 | return checkAndSetIncRHS(BO->getRHS()); | |||
5828 | break; | |||
5829 | default: | |||
5830 | break; | |||
5831 | } | |||
5832 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
5833 | switch (CE->getOperator()) { | |||
5834 | case OO_PlusPlus: | |||
5835 | case OO_MinusMinus: | |||
5836 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
5837 | return setStep(SemaRef | |||
5838 | .ActOnIntegerConstant( | |||
5839 | CE->getBeginLoc(), | |||
5840 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | |||
5841 | .get(), | |||
5842 | /*Subtract=*/false); | |||
5843 | break; | |||
5844 | case OO_PlusEqual: | |||
5845 | case OO_MinusEqual: | |||
5846 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
5847 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | |||
5848 | break; | |||
5849 | case OO_Equal: | |||
5850 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
5851 | return checkAndSetIncRHS(CE->getArg(1)); | |||
5852 | break; | |||
5853 | default: | |||
5854 | break; | |||
5855 | } | |||
5856 | } | |||
5857 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
5858 | return false; | |||
5859 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | |||
5860 | << S->getSourceRange() << LCDecl; | |||
5861 | return true; | |||
5862 | } | |||
5863 | ||||
5864 | static ExprResult | |||
5865 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | |||
5866 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
5867 | if (SemaRef.CurContext->isDependentContext()) | |||
5868 | return ExprResult(Capture); | |||
5869 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | |||
5870 | return SemaRef.PerformImplicitConversion( | |||
5871 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | |||
5872 | /*AllowExplicit=*/true); | |||
5873 | auto I = Captures.find(Capture); | |||
5874 | if (I != Captures.end()) | |||
5875 | return buildCapture(SemaRef, Capture, I->second); | |||
5876 | DeclRefExpr *Ref = nullptr; | |||
5877 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | |||
5878 | Captures[Capture] = Ref; | |||
5879 | return Res; | |||
5880 | } | |||
5881 | ||||
5882 | /// Build the expression to calculate the number of iterations. | |||
5883 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( | |||
5884 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | |||
5885 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
5886 | ExprResult Diff; | |||
5887 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
5888 | if (VarType->isIntegerType() || VarType->isPointerType() || | |||
5889 | SemaRef.getLangOpts().CPlusPlus) { | |||
5890 | Expr *LBVal = LB; | |||
5891 | Expr *UBVal = UB; | |||
5892 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : | |||
5893 | // max(LB(MinVal), LB(MaxVal)) | |||
5894 | if (InitDependOnLC) { | |||
5895 | const LoopIterationSpace &IS = | |||
5896 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | |||
5897 | InitDependOnLC.getValueOr( | |||
5898 | CondDependOnLC.getValueOr(0))]; | |||
5899 | if (!IS.MinValue || !IS.MaxValue) | |||
5900 | return nullptr; | |||
5901 | // OuterVar = Min | |||
5902 | ExprResult MinValue = | |||
5903 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | |||
5904 | if (!MinValue.isUsable()) | |||
5905 | return nullptr; | |||
5906 | ||||
5907 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
5908 | IS.CounterVar, MinValue.get()); | |||
5909 | if (!LBMinVal.isUsable()) | |||
5910 | return nullptr; | |||
5911 | // OuterVar = Min, LBVal | |||
5912 | LBMinVal = | |||
5913 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); | |||
5914 | if (!LBMinVal.isUsable()) | |||
5915 | return nullptr; | |||
5916 | // (OuterVar = Min, LBVal) | |||
5917 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); | |||
5918 | if (!LBMinVal.isUsable()) | |||
5919 | return nullptr; | |||
5920 | ||||
5921 | // OuterVar = Max | |||
5922 | ExprResult MaxValue = | |||
5923 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | |||
5924 | if (!MaxValue.isUsable()) | |||
5925 | return nullptr; | |||
5926 | ||||
5927 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
5928 | IS.CounterVar, MaxValue.get()); | |||
5929 | if (!LBMaxVal.isUsable()) | |||
5930 | return nullptr; | |||
5931 | // OuterVar = Max, LBVal | |||
5932 | LBMaxVal = | |||
5933 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); | |||
5934 | if (!LBMaxVal.isUsable()) | |||
5935 | return nullptr; | |||
5936 | // (OuterVar = Max, LBVal) | |||
5937 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); | |||
5938 | if (!LBMaxVal.isUsable()) | |||
5939 | return nullptr; | |||
5940 | ||||
5941 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); | |||
5942 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); | |||
5943 | if (!LBMin || !LBMax) | |||
5944 | return nullptr; | |||
5945 | // LB(MinVal) < LB(MaxVal) | |||
5946 | ExprResult MinLessMaxRes = | |||
5947 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); | |||
5948 | if (!MinLessMaxRes.isUsable()) | |||
5949 | return nullptr; | |||
5950 | Expr *MinLessMax = | |||
5951 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); | |||
5952 | if (!MinLessMax) | |||
5953 | return nullptr; | |||
5954 | if (TestIsLessOp.getValue()) { | |||
5955 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), | |||
5956 | // LB(MaxVal)) | |||
5957 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | |||
5958 | MinLessMax, LBMin, LBMax); | |||
5959 | if (!MinLB.isUsable()) | |||
5960 | return nullptr; | |||
5961 | LBVal = MinLB.get(); | |||
5962 | } else { | |||
5963 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), | |||
5964 | // LB(MaxVal)) | |||
5965 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | |||
5966 | MinLessMax, LBMax, LBMin); | |||
5967 | if (!MaxLB.isUsable()) | |||
5968 | return nullptr; | |||
5969 | LBVal = MaxLB.get(); | |||
5970 | } | |||
5971 | } | |||
5972 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : | |||
5973 | // min(UB(MinVal), UB(MaxVal)) | |||
5974 | if (CondDependOnLC) { | |||
5975 | const LoopIterationSpace &IS = | |||
5976 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | |||
5977 | InitDependOnLC.getValueOr( | |||
5978 | CondDependOnLC.getValueOr(0))]; | |||
5979 | if (!IS.MinValue || !IS.MaxValue) | |||
5980 | return nullptr; | |||
5981 | // OuterVar = Min | |||
5982 | ExprResult MinValue = | |||
5983 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | |||
5984 | if (!MinValue.isUsable()) | |||
5985 | return nullptr; | |||
5986 | ||||
5987 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
5988 | IS.CounterVar, MinValue.get()); | |||
5989 | if (!UBMinVal.isUsable()) | |||
5990 | return nullptr; | |||
5991 | // OuterVar = Min, UBVal | |||
5992 | UBMinVal = | |||
5993 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); | |||
5994 | if (!UBMinVal.isUsable()) | |||
5995 | return nullptr; | |||
5996 | // (OuterVar = Min, UBVal) | |||
5997 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); | |||
5998 | if (!UBMinVal.isUsable()) | |||
5999 | return nullptr; | |||
6000 | ||||
6001 | // OuterVar = Max | |||
6002 | ExprResult MaxValue = | |||
6003 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | |||
6004 | if (!MaxValue.isUsable()) | |||
6005 | return nullptr; | |||
6006 | ||||
6007 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
6008 | IS.CounterVar, MaxValue.get()); | |||
6009 | if (!UBMaxVal.isUsable()) | |||
6010 | return nullptr; | |||
6011 | // OuterVar = Max, UBVal | |||
6012 | UBMaxVal = | |||
6013 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); | |||
6014 | if (!UBMaxVal.isUsable()) | |||
6015 | return nullptr; | |||
6016 | // (OuterVar = Max, UBVal) | |||
6017 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); | |||
6018 | if (!UBMaxVal.isUsable()) | |||
6019 | return nullptr; | |||
6020 | ||||
6021 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); | |||
6022 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); | |||
6023 | if (!UBMin || !UBMax) | |||
6024 | return nullptr; | |||
6025 | // UB(MinVal) > UB(MaxVal) | |||
6026 | ExprResult MinGreaterMaxRes = | |||
6027 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); | |||
6028 | if (!MinGreaterMaxRes.isUsable()) | |||
6029 | return nullptr; | |||
6030 | Expr *MinGreaterMax = | |||
6031 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); | |||
6032 | if (!MinGreaterMax) | |||
6033 | return nullptr; | |||
6034 | if (TestIsLessOp.getValue()) { | |||
6035 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), | |||
6036 | // UB(MaxVal)) | |||
6037 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( | |||
6038 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); | |||
6039 | if (!MaxUB.isUsable()) | |||
6040 | return nullptr; | |||
6041 | UBVal = MaxUB.get(); | |||
6042 | } else { | |||
6043 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), | |||
6044 | // UB(MaxVal)) | |||
6045 | ExprResult MinUB = SemaRef.ActOnConditionalOp( | |||
6046 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); | |||
6047 | if (!MinUB.isUsable()) | |||
6048 | return nullptr; | |||
6049 | UBVal = MinUB.get(); | |||
6050 | } | |||
6051 | } | |||
6052 | // Upper - Lower | |||
6053 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; | |||
6054 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; | |||
6055 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | |||
6056 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | |||
6057 | if (!Upper || !Lower) | |||
6058 | return nullptr; | |||
6059 | ||||
6060 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | |||
6061 | ||||
6062 | if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { | |||
6063 | // BuildBinOp already emitted error, this one is to point user to upper | |||
6064 | // and lower bound, and to tell what is passed to 'operator-'. | |||
6065 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | |||
6066 | << Upper->getSourceRange() << Lower->getSourceRange(); | |||
6067 | return nullptr; | |||
6068 | } | |||
6069 | } | |||
6070 | ||||
6071 | if (!Diff.isUsable()) | |||
6072 | return nullptr; | |||
6073 | ||||
6074 | // Upper - Lower [- 1] | |||
6075 | if (TestIsStrictOp) | |||
6076 | Diff = SemaRef.BuildBinOp( | |||
6077 | S, DefaultLoc, BO_Sub, Diff.get(), | |||
6078 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
6079 | if (!Diff.isUsable()) | |||
6080 | return nullptr; | |||
6081 | ||||
6082 | // Upper - Lower [- 1] + Step | |||
6083 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
6084 | if (!NewStep.isUsable()) | |||
6085 | return nullptr; | |||
6086 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | |||
6087 | if (!Diff.isUsable()) | |||
6088 | return nullptr; | |||
6089 | ||||
6090 | // Parentheses (for dumping/debugging purposes only). | |||
6091 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
6092 | if (!Diff.isUsable()) | |||
6093 | return nullptr; | |||
6094 | ||||
6095 | // (Upper - Lower [- 1] + Step) / Step | |||
6096 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | |||
6097 | if (!Diff.isUsable()) | |||
6098 | return nullptr; | |||
6099 | ||||
6100 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | |||
6101 | QualType Type = Diff.get()->getType(); | |||
6102 | ASTContext &C = SemaRef.Context; | |||
6103 | bool UseVarType = VarType->hasIntegerRepresentation() && | |||
6104 | C.getTypeSize(Type) > C.getTypeSize(VarType); | |||
6105 | if (!Type->isIntegerType() || UseVarType) { | |||
6106 | unsigned NewSize = | |||
6107 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | |||
6108 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | |||
6109 | : Type->hasSignedIntegerRepresentation(); | |||
6110 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | |||
6111 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | |||
6112 | Diff = SemaRef.PerformImplicitConversion( | |||
6113 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | |||
6114 | if (!Diff.isUsable()) | |||
6115 | return nullptr; | |||
6116 | } | |||
6117 | } | |||
6118 | if (LimitedType) { | |||
6119 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | |||
6120 | if (NewSize != C.getTypeSize(Type)) { | |||
6121 | if (NewSize < C.getTypeSize(Type)) { | |||
6122 | assert(NewSize == 64 && "incorrect loop var size")((NewSize == 64 && "incorrect loop var size") ? static_cast <void> (0) : __assert_fail ("NewSize == 64 && \"incorrect loop var size\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6122, __PRETTY_FUNCTION__)); | |||
6123 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | |||
6124 | << InitSrcRange << ConditionSrcRange; | |||
6125 | } | |||
6126 | QualType NewType = C.getIntTypeForBitwidth( | |||
6127 | NewSize, Type->hasSignedIntegerRepresentation() || | |||
6128 | C.getTypeSize(Type) < NewSize); | |||
6129 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | |||
6130 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | |||
6131 | Sema::AA_Converting, true); | |||
6132 | if (!Diff.isUsable()) | |||
6133 | return nullptr; | |||
6134 | } | |||
6135 | } | |||
6136 | } | |||
6137 | ||||
6138 | return Diff.get(); | |||
6139 | } | |||
6140 | ||||
6141 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( | |||
6142 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
6143 | // Do not build for iterators, they cannot be used in non-rectangular loop | |||
6144 | // nests. | |||
6145 | if (LCDecl->getType()->isRecordType()) | |||
6146 | return std::make_pair(nullptr, nullptr); | |||
6147 | // If we subtract, the min is in the condition, otherwise the min is in the | |||
6148 | // init value. | |||
6149 | Expr *MinExpr = nullptr; | |||
6150 | Expr *MaxExpr = nullptr; | |||
6151 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; | |||
6152 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; | |||
6153 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() | |||
6154 | : CondDependOnLC.hasValue(); | |||
6155 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() | |||
6156 | : InitDependOnLC.hasValue(); | |||
6157 | Expr *Lower = | |||
6158 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); | |||
6159 | Expr *Upper = | |||
6160 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); | |||
6161 | if (!Upper || !Lower) | |||
6162 | return std::make_pair(nullptr, nullptr); | |||
6163 | ||||
6164 | if (TestIsLessOp.getValue()) | |||
6165 | MinExpr = Lower; | |||
6166 | else | |||
6167 | MaxExpr = Upper; | |||
6168 | ||||
6169 | // Build minimum/maximum value based on number of iterations. | |||
6170 | ExprResult Diff; | |||
6171 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
6172 | ||||
6173 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | |||
6174 | if (!Diff.isUsable()) | |||
6175 | return std::make_pair(nullptr, nullptr); | |||
6176 | ||||
6177 | // Upper - Lower [- 1] | |||
6178 | if (TestIsStrictOp) | |||
6179 | Diff = SemaRef.BuildBinOp( | |||
6180 | S, DefaultLoc, BO_Sub, Diff.get(), | |||
6181 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
6182 | if (!Diff.isUsable()) | |||
6183 | return std::make_pair(nullptr, nullptr); | |||
6184 | ||||
6185 | // Upper - Lower [- 1] + Step | |||
6186 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
6187 | if (!NewStep.isUsable()) | |||
6188 | return std::make_pair(nullptr, nullptr); | |||
6189 | ||||
6190 | // Parentheses (for dumping/debugging purposes only). | |||
6191 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
6192 | if (!Diff.isUsable()) | |||
6193 | return std::make_pair(nullptr, nullptr); | |||
6194 | ||||
6195 | // (Upper - Lower [- 1]) / Step | |||
6196 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | |||
6197 | if (!Diff.isUsable()) | |||
6198 | return std::make_pair(nullptr, nullptr); | |||
6199 | ||||
6200 | // ((Upper - Lower [- 1]) / Step) * Step | |||
6201 | // Parentheses (for dumping/debugging purposes only). | |||
6202 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
6203 | if (!Diff.isUsable()) | |||
6204 | return std::make_pair(nullptr, nullptr); | |||
6205 | ||||
6206 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); | |||
6207 | if (!Diff.isUsable()) | |||
6208 | return std::make_pair(nullptr, nullptr); | |||
6209 | ||||
6210 | // Convert to the original type or ptrdiff_t, if original type is pointer. | |||
6211 | if (!VarType->isAnyPointerType() && | |||
6212 | !SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) { | |||
6213 | Diff = SemaRef.PerformImplicitConversion( | |||
6214 | Diff.get(), VarType, Sema::AA_Converting, /*AllowExplicit=*/true); | |||
6215 | } else if (VarType->isAnyPointerType() && | |||
6216 | !SemaRef.Context.hasSameType( | |||
6217 | Diff.get()->getType(), | |||
6218 | SemaRef.Context.getUnsignedPointerDiffType())) { | |||
6219 | Diff = SemaRef.PerformImplicitConversion( | |||
6220 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), | |||
6221 | Sema::AA_Converting, /*AllowExplicit=*/true); | |||
6222 | } | |||
6223 | if (!Diff.isUsable()) | |||
6224 | return std::make_pair(nullptr, nullptr); | |||
6225 | ||||
6226 | // Parentheses (for dumping/debugging purposes only). | |||
6227 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
6228 | if (!Diff.isUsable()) | |||
6229 | return std::make_pair(nullptr, nullptr); | |||
6230 | ||||
6231 | if (TestIsLessOp.getValue()) { | |||
6232 | // MinExpr = Lower; | |||
6233 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) | |||
6234 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Lower, Diff.get()); | |||
6235 | if (!Diff.isUsable()) | |||
6236 | return std::make_pair(nullptr, nullptr); | |||
6237 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); | |||
6238 | if (!Diff.isUsable()) | |||
6239 | return std::make_pair(nullptr, nullptr); | |||
6240 | MaxExpr = Diff.get(); | |||
6241 | } else { | |||
6242 | // MaxExpr = Upper; | |||
6243 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) | |||
6244 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); | |||
6245 | if (!Diff.isUsable()) | |||
6246 | return std::make_pair(nullptr, nullptr); | |||
6247 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); | |||
6248 | if (!Diff.isUsable()) | |||
6249 | return std::make_pair(nullptr, nullptr); | |||
6250 | MinExpr = Diff.get(); | |||
6251 | } | |||
6252 | ||||
6253 | return std::make_pair(MinExpr, MaxExpr); | |||
6254 | } | |||
6255 | ||||
6256 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { | |||
6257 | if (InitDependOnLC || CondDependOnLC) | |||
6258 | return Condition; | |||
6259 | return nullptr; | |||
6260 | } | |||
6261 | ||||
6262 | Expr *OpenMPIterationSpaceChecker::buildPreCond( | |||
6263 | Scope *S, Expr *Cond, | |||
6264 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
6265 | // Do not build a precondition when the condition/initialization is dependent | |||
6266 | // to prevent pessimistic early loop exit. | |||
6267 | // TODO: this can be improved by calculating min/max values but not sure that | |||
6268 | // it will be very effective. | |||
6269 | if (CondDependOnLC || InitDependOnLC) | |||
6270 | return SemaRef.PerformImplicitConversion( | |||
6271 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), | |||
6272 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | |||
6273 | /*AllowExplicit=*/true).get(); | |||
6274 | ||||
6275 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | |||
6276 | Sema::TentativeAnalysisScope Trap(SemaRef); | |||
6277 | ||||
6278 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); | |||
6279 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); | |||
6280 | if (!NewLB.isUsable() || !NewUB.isUsable()) | |||
6281 | return nullptr; | |||
6282 | ||||
6283 | ExprResult CondExpr = | |||
6284 | SemaRef.BuildBinOp(S, DefaultLoc, | |||
6285 | TestIsLessOp.getValue() ? | |||
6286 | (TestIsStrictOp ? BO_LT : BO_LE) : | |||
6287 | (TestIsStrictOp ? BO_GT : BO_GE), | |||
6288 | NewLB.get(), NewUB.get()); | |||
6289 | if (CondExpr.isUsable()) { | |||
6290 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | |||
6291 | SemaRef.Context.BoolTy)) | |||
6292 | CondExpr = SemaRef.PerformImplicitConversion( | |||
6293 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | |||
6294 | /*AllowExplicit=*/true); | |||
6295 | } | |||
6296 | ||||
6297 | // Otherwise use original loop condition and evaluate it in runtime. | |||
6298 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | |||
6299 | } | |||
6300 | ||||
6301 | /// Build reference expression to the counter be used for codegen. | |||
6302 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( | |||
6303 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
6304 | DSAStackTy &DSA) const { | |||
6305 | auto *VD = dyn_cast<VarDecl>(LCDecl); | |||
6306 | if (!VD) { | |||
6307 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); | |||
6308 | DeclRefExpr *Ref = buildDeclRefExpr( | |||
6309 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | |||
6310 | const DSAStackTy::DSAVarData Data = | |||
6311 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); | |||
6312 | // If the loop control decl is explicitly marked as private, do not mark it | |||
6313 | // as captured again. | |||
6314 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | |||
6315 | Captures.insert(std::make_pair(LCRef, Ref)); | |||
6316 | return Ref; | |||
6317 | } | |||
6318 | return cast<DeclRefExpr>(LCRef); | |||
6319 | } | |||
6320 | ||||
6321 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { | |||
6322 | if (LCDecl && !LCDecl->isInvalidDecl()) { | |||
6323 | QualType Type = LCDecl->getType().getNonReferenceType(); | |||
6324 | VarDecl *PrivateVar = buildVarDecl( | |||
6325 | SemaRef, DefaultLoc, Type, LCDecl->getName(), | |||
6326 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, | |||
6327 | isa<VarDecl>(LCDecl) | |||
6328 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) | |||
6329 | : nullptr); | |||
6330 | if (PrivateVar->isInvalidDecl()) | |||
6331 | return nullptr; | |||
6332 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | |||
6333 | } | |||
6334 | return nullptr; | |||
6335 | } | |||
6336 | ||||
6337 | /// Build initialization of the counter to be used for codegen. | |||
6338 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } | |||
6339 | ||||
6340 | /// Build step of the counter be used for codegen. | |||
6341 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } | |||
6342 | ||||
6343 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( | |||
6344 | Scope *S, Expr *Counter, | |||
6345 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, | |||
6346 | Expr *Inc, OverloadedOperatorKind OOK) { | |||
6347 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); | |||
6348 | if (!Cnt) | |||
6349 | return nullptr; | |||
6350 | if (Inc) { | |||
6351 | assert((OOK == OO_Plus || OOK == OO_Minus) &&(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6352, __PRETTY_FUNCTION__)) | |||
6352 | "Expected only + or - operations for depend clauses.")(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6352, __PRETTY_FUNCTION__)); | |||
6353 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; | |||
6354 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); | |||
6355 | if (!Cnt) | |||
6356 | return nullptr; | |||
6357 | } | |||
6358 | ExprResult Diff; | |||
6359 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
6360 | if (VarType->isIntegerType() || VarType->isPointerType() || | |||
6361 | SemaRef.getLangOpts().CPlusPlus) { | |||
6362 | // Upper - Lower | |||
6363 | Expr *Upper = TestIsLessOp.getValue() | |||
6364 | ? Cnt | |||
6365 | : tryBuildCapture(SemaRef, UB, Captures).get(); | |||
6366 | Expr *Lower = TestIsLessOp.getValue() | |||
6367 | ? tryBuildCapture(SemaRef, LB, Captures).get() | |||
6368 | : Cnt; | |||
6369 | if (!Upper || !Lower) | |||
6370 | return nullptr; | |||
6371 | ||||
6372 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | |||
6373 | ||||
6374 | if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { | |||
6375 | // BuildBinOp already emitted error, this one is to point user to upper | |||
6376 | // and lower bound, and to tell what is passed to 'operator-'. | |||
6377 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | |||
6378 | << Upper->getSourceRange() << Lower->getSourceRange(); | |||
6379 | return nullptr; | |||
6380 | } | |||
6381 | } | |||
6382 | ||||
6383 | if (!Diff.isUsable()) | |||
6384 | return nullptr; | |||
6385 | ||||
6386 | // Parentheses (for dumping/debugging purposes only). | |||
6387 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
6388 | if (!Diff.isUsable()) | |||
6389 | return nullptr; | |||
6390 | ||||
6391 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
6392 | if (!NewStep.isUsable()) | |||
6393 | return nullptr; | |||
6394 | // (Upper - Lower) / Step | |||
6395 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | |||
6396 | if (!Diff.isUsable()) | |||
6397 | return nullptr; | |||
6398 | ||||
6399 | return Diff.get(); | |||
6400 | } | |||
6401 | } // namespace | |||
6402 | ||||
6403 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | |||
6404 | assert(getLangOpts().OpenMP && "OpenMP is not active.")((getLangOpts().OpenMP && "OpenMP is not active.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && \"OpenMP is not active.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6404, __PRETTY_FUNCTION__)); | |||
6405 | assert(Init && "Expected loop in canonical form.")((Init && "Expected loop in canonical form.") ? static_cast <void> (0) : __assert_fail ("Init && \"Expected loop in canonical form.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6405, __PRETTY_FUNCTION__)); | |||
6406 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | |||
6407 | if (AssociatedLoops > 0 && | |||
6408 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
6409 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | |||
6410 | OpenMPIterationSpaceChecker ISC(*this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); | |||
6411 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { | |||
6412 | if (ValueDecl *D = ISC.getLoopDecl()) { | |||
6413 | auto *VD = dyn_cast<VarDecl>(D); | |||
6414 | DeclRefExpr *PrivateRef = nullptr; | |||
6415 | if (!VD) { | |||
6416 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { | |||
6417 | VD = Private; | |||
6418 | } else { | |||
6419 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), | |||
6420 | /*WithInit=*/false); | |||
6421 | VD = cast<VarDecl>(PrivateRef->getDecl()); | |||
6422 | } | |||
6423 | } | |||
6424 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | |||
6425 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); | |||
6426 | if (LD != D->getCanonicalDecl()) { | |||
6427 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | |||
6428 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) | |||
6429 | MarkDeclarationsReferencedInExpr( | |||
6430 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), | |||
6431 | Var->getType().getNonLValueExprType(Context), | |||
6432 | ForLoc, /*RefersToCapture=*/true)); | |||
6433 | } | |||
6434 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
6435 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables | |||
6436 | // Referenced in a Construct, C/C++]. The loop iteration variable in the | |||
6437 | // associated for-loop of a simd construct with just one associated | |||
6438 | // for-loop may be listed in a linear clause with a constant-linear-step | |||
6439 | // that is the increment of the associated for-loop. The loop iteration | |||
6440 | // variable(s) in the associated for-loop(s) of a for or parallel for | |||
6441 | // construct may be listed in a private or lastprivate clause. | |||
6442 | DSAStackTy::DSAVarData DVar = | |||
6443 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
6444 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable | |||
6445 | // is declared in the loop and it is predetermined as a private. | |||
6446 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); | |||
6447 | OpenMPClauseKind PredeterminedCKind = | |||
6448 | isOpenMPSimdDirective(DKind) | |||
6449 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) | |||
6450 | : OMPC_private; | |||
6451 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
6452 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && | |||
6453 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && | |||
6454 | DVar.CKind != OMPC_private))) || | |||
6455 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | |||
6456 | isOpenMPDistributeDirective(DKind)) && | |||
6457 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
6458 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | |||
6459 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { | |||
6460 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) | |||
6461 | << getOpenMPClauseName(DVar.CKind) | |||
6462 | << getOpenMPDirectiveName(DKind) | |||
6463 | << getOpenMPClauseName(PredeterminedCKind); | |||
6464 | if (DVar.RefExpr == nullptr) | |||
6465 | DVar.CKind = PredeterminedCKind; | |||
6466 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, | |||
6467 | /*IsLoopIterVar=*/true); | |||
6468 | } else if (LoopDeclRefExpr) { | |||
6469 | // Make the loop iteration variable private (for worksharing | |||
6470 | // constructs), linear (for simd directives with the only one | |||
6471 | // associated loop) or lastprivate (for simd directives with several | |||
6472 | // collapsed or ordered loops). | |||
6473 | if (DVar.CKind == OMPC_unknown) | |||
6474 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, | |||
6475 | PrivateRef); | |||
6476 | } | |||
6477 | } | |||
6478 | } | |||
6479 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | |||
6480 | } | |||
6481 | } | |||
6482 | ||||
6483 | /// Called on a for stmt to check and extract its iteration space | |||
6484 | /// for further processing (such as collapsing). | |||
6485 | static bool checkOpenMPIterationSpace( | |||
6486 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | |||
6487 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | |||
6488 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, | |||
6489 | Expr *OrderedLoopCountExpr, | |||
6490 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | |||
6491 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, | |||
6492 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
6493 | // OpenMP [2.6, Canonical Loop Form] | |||
6494 | // for (init-expr; test-expr; incr-expr) structured-block | |||
6495 | auto *For = dyn_cast_or_null<ForStmt>(S); | |||
6496 | if (!For
| |||
6497 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) | |||
| ||||
6498 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | |||
6499 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount | |||
6500 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | |||
6501 | if (TotalNestedLoopCount > 1) { | |||
6502 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | |||
6503 | SemaRef.Diag(DSA.getConstructLoc(), | |||
6504 | diag::note_omp_collapse_ordered_expr) | |||
6505 | << 2 << CollapseLoopCountExpr->getSourceRange() | |||
6506 | << OrderedLoopCountExpr->getSourceRange(); | |||
6507 | else if (CollapseLoopCountExpr) | |||
6508 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
6509 | diag::note_omp_collapse_ordered_expr) | |||
6510 | << 0 << CollapseLoopCountExpr->getSourceRange(); | |||
6511 | else | |||
6512 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
6513 | diag::note_omp_collapse_ordered_expr) | |||
6514 | << 1 << OrderedLoopCountExpr->getSourceRange(); | |||
6515 | } | |||
6516 | return true; | |||
6517 | } | |||
6518 | assert(For->getBody())((For->getBody()) ? static_cast<void> (0) : __assert_fail ("For->getBody()", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6518, __PRETTY_FUNCTION__)); | |||
6519 | ||||
6520 | OpenMPIterationSpaceChecker ISC(SemaRef, DSA, For->getForLoc()); | |||
6521 | ||||
6522 | // Check init. | |||
6523 | Stmt *Init = For->getInit(); | |||
6524 | if (ISC.checkAndSetInit(Init)) | |||
6525 | return true; | |||
6526 | ||||
6527 | bool HasErrors = false; | |||
6528 | ||||
6529 | // Check loop variable's type. | |||
6530 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { | |||
6531 | // OpenMP [2.6, Canonical Loop Form] | |||
6532 | // Var is one of the following: | |||
6533 | // A variable of signed or unsigned integer type. | |||
6534 | // For C++, a variable of a random access iterator type. | |||
6535 | // For C, a variable of a pointer type. | |||
6536 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
6537 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | |||
6538 | !VarType->isPointerType() && | |||
6539 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | |||
6540 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) | |||
6541 | << SemaRef.getLangOpts().CPlusPlus; | |||
6542 | HasErrors = true; | |||
6543 | } | |||
6544 | ||||
6545 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | |||
6546 | // a Construct | |||
6547 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | |||
6548 | // parallel for construct is (are) private. | |||
6549 | // The loop iteration variable in the associated for-loop of a simd | |||
6550 | // construct with just one associated for-loop is linear with a | |||
6551 | // constant-linear-step that is the increment of the associated for-loop. | |||
6552 | // Exclude loop var from the list of variables with implicitly defined data | |||
6553 | // sharing attributes. | |||
6554 | VarsWithImplicitDSA.erase(LCDecl); | |||
6555 | ||||
6556 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")((isOpenMPLoopDirective(DKind) && "DSA for non-loop vars" ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(DKind) && \"DSA for non-loop vars\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6556, __PRETTY_FUNCTION__)); | |||
6557 | ||||
6558 | // Check test-expr. | |||
6559 | HasErrors |= ISC.checkAndSetCond(For->getCond()); | |||
6560 | ||||
6561 | // Check incr-expr. | |||
6562 | HasErrors |= ISC.checkAndSetInc(For->getInc()); | |||
6563 | } | |||
6564 | ||||
6565 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) | |||
6566 | return HasErrors; | |||
6567 | ||||
6568 | // Build the loop's iteration space representation. | |||
6569 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = | |||
6570 | ISC.buildPreCond(DSA.getCurScope(), For->getCond(), Captures); | |||
6571 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = | |||
6572 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, | |||
6573 | (isOpenMPWorksharingDirective(DKind) || | |||
6574 | isOpenMPTaskLoopDirective(DKind) || | |||
6575 | isOpenMPDistributeDirective(DKind)), | |||
6576 | Captures); | |||
6577 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = | |||
6578 | ISC.buildCounterVar(Captures, DSA); | |||
6579 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = | |||
6580 | ISC.buildPrivateCounterVar(); | |||
6581 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); | |||
6582 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); | |||
6583 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); | |||
6584 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = | |||
6585 | ISC.getConditionSrcRange(); | |||
6586 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = | |||
6587 | ISC.getIncrementSrcRange(); | |||
6588 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); | |||
6589 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = | |||
6590 | ISC.isStrictTestOp(); | |||
6591 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, | |||
6592 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = | |||
6593 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); | |||
6594 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = | |||
6595 | ISC.buildFinalCondition(DSA.getCurScope()); | |||
6596 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = | |||
6597 | ISC.doesInitDependOnLC(); | |||
6598 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = | |||
6599 | ISC.doesCondDependOnLC(); | |||
6600 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = | |||
6601 | ISC.getLoopDependentIdx(); | |||
6602 | ||||
6603 | HasErrors |= | |||
6604 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || | |||
6605 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || | |||
6606 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || | |||
6607 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || | |||
6608 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || | |||
6609 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); | |||
6610 | if (!HasErrors && DSA.isOrderedRegion()) { | |||
6611 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { | |||
6612 | if (CurrentNestedLoopCount < | |||
6613 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { | |||
6614 | DSA.getOrderedRegionParam().second->setLoopNumIterations( | |||
6615 | CurrentNestedLoopCount, | |||
6616 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); | |||
6617 | DSA.getOrderedRegionParam().second->setLoopCounter( | |||
6618 | CurrentNestedLoopCount, | |||
6619 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); | |||
6620 | } | |||
6621 | } | |||
6622 | for (auto &Pair : DSA.getDoacrossDependClauses()) { | |||
6623 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { | |||
6624 | // Erroneous case - clause has some problems. | |||
6625 | continue; | |||
6626 | } | |||
6627 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && | |||
6628 | Pair.second.size() <= CurrentNestedLoopCount) { | |||
6629 | // Erroneous case - clause has some problems. | |||
6630 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); | |||
6631 | continue; | |||
6632 | } | |||
6633 | Expr *CntValue; | |||
6634 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | |||
6635 | CntValue = ISC.buildOrderedLoopData( | |||
6636 | DSA.getCurScope(), | |||
6637 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | |||
6638 | Pair.first->getDependencyLoc()); | |||
6639 | else | |||
6640 | CntValue = ISC.buildOrderedLoopData( | |||
6641 | DSA.getCurScope(), | |||
6642 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | |||
6643 | Pair.first->getDependencyLoc(), | |||
6644 | Pair.second[CurrentNestedLoopCount].first, | |||
6645 | Pair.second[CurrentNestedLoopCount].second); | |||
6646 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); | |||
6647 | } | |||
6648 | } | |||
6649 | ||||
6650 | return HasErrors; | |||
6651 | } | |||
6652 | ||||
6653 | /// Build 'VarRef = Start. | |||
6654 | static ExprResult | |||
6655 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | |||
6656 | ExprResult Start, bool IsNonRectangularLB, | |||
6657 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
6658 | // Build 'VarRef = Start. | |||
6659 | ExprResult NewStart = IsNonRectangularLB | |||
6660 | ? Start.get() | |||
6661 | : tryBuildCapture(SemaRef, Start.get(), Captures); | |||
6662 | if (!NewStart.isUsable()) | |||
6663 | return ExprError(); | |||
6664 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | |||
6665 | VarRef.get()->getType())) { | |||
6666 | NewStart = SemaRef.PerformImplicitConversion( | |||
6667 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | |||
6668 | /*AllowExplicit=*/true); | |||
6669 | if (!NewStart.isUsable()) | |||
6670 | return ExprError(); | |||
6671 | } | |||
6672 | ||||
6673 | ExprResult Init = | |||
6674 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
6675 | return Init; | |||
6676 | } | |||
6677 | ||||
6678 | /// Build 'VarRef = Start + Iter * Step'. | |||
6679 | static ExprResult buildCounterUpdate( | |||
6680 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | |||
6681 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, | |||
6682 | bool IsNonRectangularLB, | |||
6683 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { | |||
6684 | // Add parentheses (for debugging purposes only). | |||
6685 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | |||
6686 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | |||
6687 | !Step.isUsable()) | |||
6688 | return ExprError(); | |||
6689 | ||||
6690 | ExprResult NewStep = Step; | |||
6691 | if (Captures) | |||
6692 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | |||
6693 | if (NewStep.isInvalid()) | |||
6694 | return ExprError(); | |||
6695 | ExprResult Update = | |||
6696 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | |||
6697 | if (!Update.isUsable()) | |||
6698 | return ExprError(); | |||
6699 | ||||
6700 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | |||
6701 | // 'VarRef = Start (+|-) Iter * Step'. | |||
6702 | if (!Start.isUsable()) | |||
6703 | return ExprError(); | |||
6704 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); | |||
6705 | if (!NewStart.isUsable()) | |||
6706 | return ExprError(); | |||
6707 | if (Captures && !IsNonRectangularLB) | |||
6708 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | |||
6709 | if (NewStart.isInvalid()) | |||
6710 | return ExprError(); | |||
6711 | ||||
6712 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | |||
6713 | ExprResult SavedUpdate = Update; | |||
6714 | ExprResult UpdateVal; | |||
6715 | if (VarRef.get()->getType()->isOverloadableType() || | |||
6716 | NewStart.get()->getType()->isOverloadableType() || | |||
6717 | Update.get()->getType()->isOverloadableType()) { | |||
6718 | Sema::TentativeAnalysisScope Trap(SemaRef); | |||
6719 | ||||
6720 | Update = | |||
6721 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
6722 | if (Update.isUsable()) { | |||
6723 | UpdateVal = | |||
6724 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | |||
6725 | VarRef.get(), SavedUpdate.get()); | |||
6726 | if (UpdateVal.isUsable()) { | |||
6727 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | |||
6728 | UpdateVal.get()); | |||
6729 | } | |||
6730 | } | |||
6731 | } | |||
6732 | ||||
6733 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | |||
6734 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | |||
6735 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | |||
6736 | NewStart.get(), SavedUpdate.get()); | |||
6737 | if (!Update.isUsable()) | |||
6738 | return ExprError(); | |||
6739 | ||||
6740 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | |||
6741 | VarRef.get()->getType())) { | |||
6742 | Update = SemaRef.PerformImplicitConversion( | |||
6743 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | |||
6744 | if (!Update.isUsable()) | |||
6745 | return ExprError(); | |||
6746 | } | |||
6747 | ||||
6748 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | |||
6749 | } | |||
6750 | return Update; | |||
6751 | } | |||
6752 | ||||
6753 | /// Convert integer expression \a E to make it have at least \a Bits | |||
6754 | /// bits. | |||
6755 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | |||
6756 | if (E == nullptr) | |||
6757 | return ExprError(); | |||
6758 | ASTContext &C = SemaRef.Context; | |||
6759 | QualType OldType = E->getType(); | |||
6760 | unsigned HasBits = C.getTypeSize(OldType); | |||
6761 | if (HasBits >= Bits) | |||
6762 | return ExprResult(E); | |||
6763 | // OK to convert to signed, because new type has more bits than old. | |||
6764 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | |||
6765 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | |||
6766 | true); | |||
6767 | } | |||
6768 | ||||
6769 | /// Check if the given expression \a E is a constant integer that fits | |||
6770 | /// into \a Bits bits. | |||
6771 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { | |||
6772 | if (E == nullptr) | |||
6773 | return false; | |||
6774 | llvm::APSInt Result; | |||
6775 | if (E->isIntegerConstantExpr(Result, SemaRef.Context)) | |||
6776 | return Signed ? Result.isSignedIntN(Bits) : Result.isIntN(Bits); | |||
6777 | return false; | |||
6778 | } | |||
6779 | ||||
6780 | /// Build preinits statement for the given declarations. | |||
6781 | static Stmt *buildPreInits(ASTContext &Context, | |||
6782 | MutableArrayRef<Decl *> PreInits) { | |||
6783 | if (!PreInits.empty()) { | |||
6784 | return new (Context) DeclStmt( | |||
6785 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | |||
6786 | SourceLocation(), SourceLocation()); | |||
6787 | } | |||
6788 | return nullptr; | |||
6789 | } | |||
6790 | ||||
6791 | /// Build preinits statement for the given declarations. | |||
6792 | static Stmt * | |||
6793 | buildPreInits(ASTContext &Context, | |||
6794 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
6795 | if (!Captures.empty()) { | |||
6796 | SmallVector<Decl *, 16> PreInits; | |||
6797 | for (const auto &Pair : Captures) | |||
6798 | PreInits.push_back(Pair.second->getDecl()); | |||
6799 | return buildPreInits(Context, PreInits); | |||
6800 | } | |||
6801 | return nullptr; | |||
6802 | } | |||
6803 | ||||
6804 | /// Build postupdate expression for the given list of postupdates expressions. | |||
6805 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | |||
6806 | Expr *PostUpdate = nullptr; | |||
6807 | if (!PostUpdates.empty()) { | |||
6808 | for (Expr *E : PostUpdates) { | |||
6809 | Expr *ConvE = S.BuildCStyleCastExpr( | |||
6810 | E->getExprLoc(), | |||
6811 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | |||
6812 | E->getExprLoc(), E) | |||
6813 | .get(); | |||
6814 | PostUpdate = PostUpdate | |||
6815 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | |||
6816 | PostUpdate, ConvE) | |||
6817 | .get() | |||
6818 | : ConvE; | |||
6819 | } | |||
6820 | } | |||
6821 | return PostUpdate; | |||
6822 | } | |||
6823 | ||||
6824 | /// Called on a for stmt to check itself and nested loops (if any). | |||
6825 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | |||
6826 | /// number of collapsed loops otherwise. | |||
6827 | static unsigned | |||
6828 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | |||
6829 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | |||
6830 | DSAStackTy &DSA, | |||
6831 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | |||
6832 | OMPLoopDirective::HelperExprs &Built) { | |||
6833 | unsigned NestedLoopCount = 1; | |||
6834 | if (CollapseLoopCountExpr) { | |||
| ||||
6835 | // Found 'collapse' clause - calculate collapse number. | |||
6836 | Expr::EvalResult Result; | |||
6837 | if (!CollapseLoopCountExpr->isValueDependent() && | |||
6838 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | |||
6839 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); | |||
6840 | } else { | |||
6841 | Built.clear(/*Size=*/1); | |||
6842 | return 1; | |||
6843 | } | |||
6844 | } | |||
6845 | unsigned OrderedLoopCount = 1; | |||
6846 | if (OrderedLoopCountExpr) { | |||
6847 | // Found 'ordered' clause - calculate collapse number. | |||
6848 | Expr::EvalResult EVResult; | |||
6849 | if (!OrderedLoopCountExpr->isValueDependent() && | |||
6850 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, | |||
6851 | SemaRef.getASTContext())) { | |||
6852 | llvm::APSInt Result = EVResult.Val.getInt(); | |||
6853 | if (Result.getLimitedValue() < NestedLoopCount) { | |||
6854 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
6855 | diag::err_omp_wrong_ordered_loop_count) | |||
6856 | << OrderedLoopCountExpr->getSourceRange(); | |||
6857 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
6858 | diag::note_collapse_loop_count) | |||
6859 | << CollapseLoopCountExpr->getSourceRange(); | |||
6860 | } | |||
6861 | OrderedLoopCount = Result.getLimitedValue(); | |||
6862 | } else { | |||
6863 | Built.clear(/*Size=*/1); | |||
6864 | return 1; | |||
6865 | } | |||
6866 | } | |||
6867 | // This is helper routine for loop directives (e.g., 'for', 'simd', | |||
6868 | // 'for simd', etc.). | |||
6869 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
6870 | SmallVector<LoopIterationSpace, 4> IterSpaces( | |||
6871 | std::max(OrderedLoopCount, NestedLoopCount)); | |||
6872 | Stmt *CurStmt = AStmt->IgnoreContainers(/* IgnoreCaptured */ true); | |||
6873 | for (unsigned Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | |||
6874 | if (checkOpenMPIterationSpace( | |||
6875 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | |||
6876 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | |||
6877 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | |||
6878 | return 0; | |||
6879 | // Move on to the next nested for loop, or to the loop body. | |||
6880 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
6881 | // All loops associated with the construct must be perfectly nested; that | |||
6882 | // is, there must be no intervening code nor any OpenMP directive between | |||
6883 | // any two loops. | |||
6884 | CurStmt = cast<ForStmt>(CurStmt)->getBody()->IgnoreContainers(); | |||
6885 | } | |||
6886 | for (unsigned Cnt = NestedLoopCount; Cnt < OrderedLoopCount; ++Cnt) { | |||
6887 | if (checkOpenMPIterationSpace( | |||
6888 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | |||
6889 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | |||
6890 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | |||
6891 | return 0; | |||
6892 | if (Cnt > 0 && IterSpaces[Cnt].CounterVar) { | |||
6893 | // Handle initialization of captured loop iterator variables. | |||
6894 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); | |||
6895 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { | |||
6896 | Captures[DRE] = DRE; | |||
6897 | } | |||
6898 | } | |||
6899 | // Move on to the next nested for loop, or to the loop body. | |||
6900 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
6901 | // All loops associated with the construct must be perfectly nested; that | |||
6902 | // is, there must be no intervening code nor any OpenMP directive between | |||
6903 | // any two loops. | |||
6904 | CurStmt = cast<ForStmt>(CurStmt)->getBody()->IgnoreContainers(); | |||
6905 | } | |||
6906 | ||||
6907 | Built.clear(/* size */ NestedLoopCount); | |||
6908 | ||||
6909 | if (SemaRef.CurContext->isDependentContext()) | |||
6910 | return NestedLoopCount; | |||
6911 | ||||
6912 | // An example of what is generated for the following code: | |||
6913 | // | |||
6914 | // #pragma omp simd collapse(2) ordered(2) | |||
6915 | // for (i = 0; i < NI; ++i) | |||
6916 | // for (k = 0; k < NK; ++k) | |||
6917 | // for (j = J0; j < NJ; j+=2) { | |||
6918 | // <loop body> | |||
6919 | // } | |||
6920 | // | |||
6921 | // We generate the code below. | |||
6922 | // Note: the loop body may be outlined in CodeGen. | |||
6923 | // Note: some counters may be C++ classes, operator- is used to find number of | |||
6924 | // iterations and operator+= to calculate counter value. | |||
6925 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | |||
6926 | // or i64 is currently supported). | |||
6927 | // | |||
6928 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | |||
6929 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | |||
6930 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | |||
6931 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | |||
6932 | // // similar updates for vars in clauses (e.g. 'linear') | |||
6933 | // <loop body (using local i and j)> | |||
6934 | // } | |||
6935 | // i = NI; // assign final values of counters | |||
6936 | // j = NJ; | |||
6937 | // | |||
6938 | ||||
6939 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | |||
6940 | // the iteration counts of the collapsed for loops. | |||
6941 | // Precondition tests if there is at least one iteration (all conditions are | |||
6942 | // true). | |||
6943 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | |||
6944 | Expr *N0 = IterSpaces[0].NumIterations; | |||
6945 | ExprResult LastIteration32 = | |||
6946 | widenIterationCount(/*Bits=*/32, | |||
6947 | SemaRef | |||
6948 | .PerformImplicitConversion( | |||
6949 | N0->IgnoreImpCasts(), N0->getType(), | |||
6950 | Sema::AA_Converting, /*AllowExplicit=*/true) | |||
6951 | .get(), | |||
6952 | SemaRef); | |||
6953 | ExprResult LastIteration64 = widenIterationCount( | |||
6954 | /*Bits=*/64, | |||
6955 | SemaRef | |||
6956 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), | |||
6957 | Sema::AA_Converting, | |||
6958 | /*AllowExplicit=*/true) | |||
6959 | .get(), | |||
6960 | SemaRef); | |||
6961 | ||||
6962 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | |||
6963 | return NestedLoopCount; | |||
6964 | ||||
6965 | ASTContext &C = SemaRef.Context; | |||
6966 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | |||
6967 | ||||
6968 | Scope *CurScope = DSA.getCurScope(); | |||
6969 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | |||
6970 | if (PreCond.isUsable()) { | |||
6971 | PreCond = | |||
6972 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | |||
6973 | PreCond.get(), IterSpaces[Cnt].PreCond); | |||
6974 | } | |||
6975 | Expr *N = IterSpaces[Cnt].NumIterations; | |||
6976 | SourceLocation Loc = N->getExprLoc(); | |||
6977 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | |||
6978 | if (LastIteration32.isUsable()) | |||
6979 | LastIteration32 = SemaRef.BuildBinOp( | |||
6980 | CurScope, Loc, BO_Mul, LastIteration32.get(), | |||
6981 | SemaRef | |||
6982 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
6983 | Sema::AA_Converting, | |||
6984 | /*AllowExplicit=*/true) | |||
6985 | .get()); | |||
6986 | if (LastIteration64.isUsable()) | |||
6987 | LastIteration64 = SemaRef.BuildBinOp( | |||
6988 | CurScope, Loc, BO_Mul, LastIteration64.get(), | |||
6989 | SemaRef | |||
6990 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
6991 | Sema::AA_Converting, | |||
6992 | /*AllowExplicit=*/true) | |||
6993 | .get()); | |||
6994 | } | |||
6995 | ||||
6996 | // Choose either the 32-bit or 64-bit version. | |||
6997 | ExprResult LastIteration = LastIteration64; | |||
6998 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || | |||
6999 | (LastIteration32.isUsable() && | |||
7000 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | |||
7001 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | |||
7002 | fitsInto( | |||
7003 | /*Bits=*/32, | |||
7004 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | |||
7005 | LastIteration64.get(), SemaRef)))) | |||
7006 | LastIteration = LastIteration32; | |||
7007 | QualType VType = LastIteration.get()->getType(); | |||
7008 | QualType RealVType = VType; | |||
7009 | QualType StrideVType = VType; | |||
7010 | if (isOpenMPTaskLoopDirective(DKind)) { | |||
7011 | VType = | |||
7012 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
7013 | StrideVType = | |||
7014 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
7015 | } | |||
7016 | ||||
7017 | if (!LastIteration.isUsable()) | |||
7018 | return 0; | |||
7019 | ||||
7020 | // Save the number of iterations. | |||
7021 | ExprResult NumIterations = LastIteration; | |||
7022 | { | |||
7023 | LastIteration = SemaRef.BuildBinOp( | |||
7024 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | |||
7025 | LastIteration.get(), | |||
7026 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
7027 | if (!LastIteration.isUsable()) | |||
7028 | return 0; | |||
7029 | } | |||
7030 | ||||
7031 | // Calculate the last iteration number beforehand instead of doing this on | |||
7032 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | |||
7033 | llvm::APSInt Result; | |||
7034 | bool IsConstant = | |||
7035 | LastIteration.get()->isIntegerConstantExpr(Result, SemaRef.Context); | |||
7036 | ExprResult CalcLastIteration; | |||
7037 | if (!IsConstant) { | |||
7038 | ExprResult SaveRef = | |||
7039 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | |||
7040 | LastIteration = SaveRef; | |||
7041 | ||||
7042 | // Prepare SaveRef + 1. | |||
7043 | NumIterations = SemaRef.BuildBinOp( | |||
7044 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | |||
7045 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
7046 | if (!NumIterations.isUsable()) | |||
7047 | return 0; | |||
7048 | } | |||
7049 | ||||
7050 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | |||
7051 | ||||
7052 | // Build variables passed into runtime, necessary for worksharing directives. | |||
7053 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | |||
7054 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
7055 | isOpenMPDistributeDirective(DKind)) { | |||
7056 | // Lower bound variable, initialized with zero. | |||
7057 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | |||
7058 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | |||
7059 | SemaRef.AddInitializerToDecl(LBDecl, | |||
7060 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
7061 | /*DirectInit*/ false); | |||
7062 | ||||
7063 | // Upper bound variable, initialized with last iteration number. | |||
7064 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | |||
7065 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | |||
7066 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | |||
7067 | /*DirectInit*/ false); | |||
7068 | ||||
7069 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | |||
7070 | // This will be used to implement clause 'lastprivate'. | |||
7071 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | |||
7072 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | |||
7073 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | |||
7074 | SemaRef.AddInitializerToDecl(ILDecl, | |||
7075 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
7076 | /*DirectInit*/ false); | |||
7077 | ||||
7078 | // Stride variable returned by runtime (we initialize it to 1 by default). | |||
7079 | VarDecl *STDecl = | |||
7080 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | |||
7081 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | |||
7082 | SemaRef.AddInitializerToDecl(STDecl, | |||
7083 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | |||
7084 | /*DirectInit*/ false); | |||
7085 | ||||
7086 | // Build expression: UB = min(UB, LastIteration) | |||
7087 | // It is necessary for CodeGen of directives with static scheduling. | |||
7088 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | |||
7089 | UB.get(), LastIteration.get()); | |||
7090 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
7091 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), | |||
7092 | LastIteration.get(), UB.get()); | |||
7093 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | |||
7094 | CondOp.get()); | |||
7095 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); | |||
7096 | ||||
7097 | // If we have a combined directive that combines 'distribute', 'for' or | |||
7098 | // 'simd' we need to be able to access the bounds of the schedule of the | |||
7099 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | |||
7100 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | |||
7101 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7102 | // Lower bound variable, initialized with zero. | |||
7103 | VarDecl *CombLBDecl = | |||
7104 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | |||
7105 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | |||
7106 | SemaRef.AddInitializerToDecl( | |||
7107 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
7108 | /*DirectInit*/ false); | |||
7109 | ||||
7110 | // Upper bound variable, initialized with last iteration number. | |||
7111 | VarDecl *CombUBDecl = | |||
7112 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | |||
7113 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | |||
7114 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | |||
7115 | /*DirectInit*/ false); | |||
7116 | ||||
7117 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | |||
7118 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | |||
7119 | ExprResult CombCondOp = | |||
7120 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | |||
7121 | LastIteration.get(), CombUB.get()); | |||
7122 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | |||
7123 | CombCondOp.get()); | |||
7124 | CombEUB = | |||
7125 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); | |||
7126 | ||||
7127 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | |||
7128 | // We expect to have at least 2 more parameters than the 'parallel' | |||
7129 | // directive does - the lower and upper bounds of the previous schedule. | |||
7130 | assert(CD->getNumParams() >= 4 &&((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7131, __PRETTY_FUNCTION__)) | |||
7131 | "Unexpected number of parameters in loop combined directive")((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7131, __PRETTY_FUNCTION__)); | |||
7132 | ||||
7133 | // Set the proper type for the bounds given what we learned from the | |||
7134 | // enclosed loops. | |||
7135 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | |||
7136 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | |||
7137 | ||||
7138 | // Previous lower and upper bounds are obtained from the region | |||
7139 | // parameters. | |||
7140 | PrevLB = | |||
7141 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | |||
7142 | PrevUB = | |||
7143 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | |||
7144 | } | |||
7145 | } | |||
7146 | ||||
7147 | // Build the iteration variable and its initialization before loop. | |||
7148 | ExprResult IV; | |||
7149 | ExprResult Init, CombInit; | |||
7150 | { | |||
7151 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | |||
7152 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | |||
7153 | Expr *RHS = | |||
7154 | (isOpenMPWorksharingDirective(DKind) || | |||
7155 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | |||
7156 | ? LB.get() | |||
7157 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
7158 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | |||
7159 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); | |||
7160 | ||||
7161 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7162 | Expr *CombRHS = | |||
7163 | (isOpenMPWorksharingDirective(DKind) || | |||
7164 | isOpenMPTaskLoopDirective(DKind) || | |||
7165 | isOpenMPDistributeDirective(DKind)) | |||
7166 | ? CombLB.get() | |||
7167 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
7168 | CombInit = | |||
7169 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | |||
7170 | CombInit = | |||
7171 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); | |||
7172 | } | |||
7173 | } | |||
7174 | ||||
7175 | bool UseStrictCompare = | |||
7176 | RealVType->hasUnsignedIntegerRepresentation() && | |||
7177 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { | |||
7178 | return LIS.IsStrictCompare; | |||
7179 | }); | |||
7180 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for | |||
7181 | // unsigned IV)) for worksharing loops. | |||
7182 | SourceLocation CondLoc = AStmt->getBeginLoc(); | |||
7183 | Expr *BoundUB = UB.get(); | |||
7184 | if (UseStrictCompare) { | |||
7185 | BoundUB = | |||
7186 | SemaRef | |||
7187 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, | |||
7188 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
7189 | .get(); | |||
7190 | BoundUB = | |||
7191 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); | |||
7192 | } | |||
7193 | ExprResult Cond = | |||
7194 | (isOpenMPWorksharingDirective(DKind) || | |||
7195 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | |||
7196 | ? SemaRef.BuildBinOp(CurScope, CondLoc, | |||
7197 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), | |||
7198 | BoundUB) | |||
7199 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | |||
7200 | NumIterations.get()); | |||
7201 | ExprResult CombDistCond; | |||
7202 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7203 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | |||
7204 | NumIterations.get()); | |||
7205 | } | |||
7206 | ||||
7207 | ExprResult CombCond; | |||
7208 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7209 | Expr *BoundCombUB = CombUB.get(); | |||
7210 | if (UseStrictCompare) { | |||
7211 | BoundCombUB = | |||
7212 | SemaRef | |||
7213 | .BuildBinOp( | |||
7214 | CurScope, CondLoc, BO_Add, BoundCombUB, | |||
7215 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
7216 | .get(); | |||
7217 | BoundCombUB = | |||
7218 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) | |||
7219 | .get(); | |||
7220 | } | |||
7221 | CombCond = | |||
7222 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | |||
7223 | IV.get(), BoundCombUB); | |||
7224 | } | |||
7225 | // Loop increment (IV = IV + 1) | |||
7226 | SourceLocation IncLoc = AStmt->getBeginLoc(); | |||
7227 | ExprResult Inc = | |||
7228 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | |||
7229 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | |||
7230 | if (!Inc.isUsable()) | |||
7231 | return 0; | |||
7232 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | |||
7233 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); | |||
7234 | if (!Inc.isUsable()) | |||
7235 | return 0; | |||
7236 | ||||
7237 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | |||
7238 | // Used for directives with static scheduling. | |||
7239 | // In combined construct, add combined version that use CombLB and CombUB | |||
7240 | // base variables for the update | |||
7241 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | |||
7242 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
7243 | isOpenMPDistributeDirective(DKind)) { | |||
7244 | // LB + ST | |||
7245 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | |||
7246 | if (!NextLB.isUsable()) | |||
7247 | return 0; | |||
7248 | // LB = LB + ST | |||
7249 | NextLB = | |||
7250 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | |||
7251 | NextLB = | |||
7252 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); | |||
7253 | if (!NextLB.isUsable()) | |||
7254 | return 0; | |||
7255 | // UB + ST | |||
7256 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | |||
7257 | if (!NextUB.isUsable()) | |||
7258 | return 0; | |||
7259 | // UB = UB + ST | |||
7260 | NextUB = | |||
7261 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | |||
7262 | NextUB = | |||
7263 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); | |||
7264 | if (!NextUB.isUsable()) | |||
7265 | return 0; | |||
7266 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7267 | CombNextLB = | |||
7268 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | |||
7269 | if (!NextLB.isUsable()) | |||
7270 | return 0; | |||
7271 | // LB = LB + ST | |||
7272 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | |||
7273 | CombNextLB.get()); | |||
7274 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), | |||
7275 | /*DiscardedValue*/ false); | |||
7276 | if (!CombNextLB.isUsable()) | |||
7277 | return 0; | |||
7278 | // UB + ST | |||
7279 | CombNextUB = | |||
7280 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | |||
7281 | if (!CombNextUB.isUsable()) | |||
7282 | return 0; | |||
7283 | // UB = UB + ST | |||
7284 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | |||
7285 | CombNextUB.get()); | |||
7286 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), | |||
7287 | /*DiscardedValue*/ false); | |||
7288 | if (!CombNextUB.isUsable()) | |||
7289 | return 0; | |||
7290 | } | |||
7291 | } | |||
7292 | ||||
7293 | // Create increment expression for distribute loop when combined in a same | |||
7294 | // directive with for as IV = IV + ST; ensure upper bound expression based | |||
7295 | // on PrevUB instead of NumIterations - used to implement 'for' when found | |||
7296 | // in combination with 'distribute', like in 'distribute parallel for' | |||
7297 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); | |||
7298 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; | |||
7299 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
7300 | DistCond = SemaRef.BuildBinOp( | |||
7301 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); | |||
7302 | assert(DistCond.isUsable() && "distribute cond expr was not built")((DistCond.isUsable() && "distribute cond expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistCond.isUsable() && \"distribute cond expr was not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7302, __PRETTY_FUNCTION__)); | |||
7303 | ||||
7304 | DistInc = | |||
7305 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | |||
7306 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7306, __PRETTY_FUNCTION__)); | |||
7307 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | |||
7308 | DistInc.get()); | |||
7309 | DistInc = | |||
7310 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); | |||
7311 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7311, __PRETTY_FUNCTION__)); | |||
7312 | ||||
7313 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | |||
7314 | // construct | |||
7315 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); | |||
7316 | ExprResult IsUBGreater = | |||
7317 | SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, UB.get(), PrevUB.get()); | |||
7318 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
7319 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), PrevUB.get(), UB.get()); | |||
7320 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | |||
7321 | CondOp.get()); | |||
7322 | PrevEUB = | |||
7323 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); | |||
7324 | ||||
7325 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in | |||
7326 | // parallel for is in combination with a distribute directive with | |||
7327 | // schedule(static, 1) | |||
7328 | Expr *BoundPrevUB = PrevUB.get(); | |||
7329 | if (UseStrictCompare) { | |||
7330 | BoundPrevUB = | |||
7331 | SemaRef | |||
7332 | .BuildBinOp( | |||
7333 | CurScope, CondLoc, BO_Add, BoundPrevUB, | |||
7334 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
7335 | .get(); | |||
7336 | BoundPrevUB = | |||
7337 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) | |||
7338 | .get(); | |||
7339 | } | |||
7340 | ParForInDistCond = | |||
7341 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | |||
7342 | IV.get(), BoundPrevUB); | |||
7343 | } | |||
7344 | ||||
7345 | // Build updates and final values of the loop counters. | |||
7346 | bool HasErrors = false; | |||
7347 | Built.Counters.resize(NestedLoopCount); | |||
7348 | Built.Inits.resize(NestedLoopCount); | |||
7349 | Built.Updates.resize(NestedLoopCount); | |||
7350 | Built.Finals.resize(NestedLoopCount); | |||
7351 | Built.DependentCounters.resize(NestedLoopCount); | |||
7352 | Built.DependentInits.resize(NestedLoopCount); | |||
7353 | Built.FinalsConditions.resize(NestedLoopCount); | |||
7354 | { | |||
7355 | // We implement the following algorithm for obtaining the | |||
7356 | // original loop iteration variable values based on the | |||
7357 | // value of the collapsed loop iteration variable IV. | |||
7358 | // | |||
7359 | // Let n+1 be the number of collapsed loops in the nest. | |||
7360 | // Iteration variables (I0, I1, .... In) | |||
7361 | // Iteration counts (N0, N1, ... Nn) | |||
7362 | // | |||
7363 | // Acc = IV; | |||
7364 | // | |||
7365 | // To compute Ik for loop k, 0 <= k <= n, generate: | |||
7366 | // Prod = N(k+1) * N(k+2) * ... * Nn; | |||
7367 | // Ik = Acc / Prod; | |||
7368 | // Acc -= Ik * Prod; | |||
7369 | // | |||
7370 | ExprResult Acc = IV; | |||
7371 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | |||
7372 | LoopIterationSpace &IS = IterSpaces[Cnt]; | |||
7373 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | |||
7374 | ExprResult Iter; | |||
7375 | ||||
7376 | // Compute prod | |||
7377 | ExprResult Prod = | |||
7378 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | |||
7379 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) | |||
7380 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), | |||
7381 | IterSpaces[K].NumIterations); | |||
7382 | ||||
7383 | // Iter = Acc / Prod | |||
7384 | // If there is at least one more inner loop to avoid | |||
7385 | // multiplication by 1. | |||
7386 | if (Cnt + 1 < NestedLoopCount) | |||
7387 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, | |||
7388 | Acc.get(), Prod.get()); | |||
7389 | else | |||
7390 | Iter = Acc; | |||
7391 | if (!Iter.isUsable()) { | |||
7392 | HasErrors = true; | |||
7393 | break; | |||
7394 | } | |||
7395 | ||||
7396 | // Update Acc: | |||
7397 | // Acc -= Iter * Prod | |||
7398 | // Check if there is at least one more inner loop to avoid | |||
7399 | // multiplication by 1. | |||
7400 | if (Cnt + 1 < NestedLoopCount) | |||
7401 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, | |||
7402 | Iter.get(), Prod.get()); | |||
7403 | else | |||
7404 | Prod = Iter; | |||
7405 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, | |||
7406 | Acc.get(), Prod.get()); | |||
7407 | ||||
7408 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | |||
7409 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | |||
7410 | DeclRefExpr *CounterVar = buildDeclRefExpr( | |||
7411 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), | |||
7412 | /*RefersToCapture=*/true); | |||
7413 | ExprResult Init = | |||
7414 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | |||
7415 | IS.CounterInit, IS.IsNonRectangularLB, Captures); | |||
7416 | if (!Init.isUsable()) { | |||
7417 | HasErrors = true; | |||
7418 | break; | |||
7419 | } | |||
7420 | ExprResult Update = buildCounterUpdate( | |||
7421 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | |||
7422 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); | |||
7423 | if (!Update.isUsable()) { | |||
7424 | HasErrors = true; | |||
7425 | break; | |||
7426 | } | |||
7427 | ||||
7428 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | |||
7429 | ExprResult Final = | |||
7430 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, | |||
7431 | IS.CounterInit, IS.NumIterations, IS.CounterStep, | |||
7432 | IS.Subtract, IS.IsNonRectangularLB, &Captures); | |||
7433 | if (!Final.isUsable()) { | |||
7434 | HasErrors = true; | |||
7435 | break; | |||
7436 | } | |||
7437 | ||||
7438 | if (!Update.isUsable() || !Final.isUsable()) { | |||
7439 | HasErrors = true; | |||
7440 | break; | |||
7441 | } | |||
7442 | // Save results | |||
7443 | Built.Counters[Cnt] = IS.CounterVar; | |||
7444 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | |||
7445 | Built.Inits[Cnt] = Init.get(); | |||
7446 | Built.Updates[Cnt] = Update.get(); | |||
7447 | Built.Finals[Cnt] = Final.get(); | |||
7448 | Built.DependentCounters[Cnt] = nullptr; | |||
7449 | Built.DependentInits[Cnt] = nullptr; | |||
7450 | Built.FinalsConditions[Cnt] = nullptr; | |||
7451 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { | |||
7452 | Built.DependentCounters[Cnt] = | |||
7453 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; | |||
7454 | Built.DependentInits[Cnt] = | |||
7455 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; | |||
7456 | Built.FinalsConditions[Cnt] = IS.FinalCondition; | |||
7457 | } | |||
7458 | } | |||
7459 | } | |||
7460 | ||||
7461 | if (HasErrors) | |||
7462 | return 0; | |||
7463 | ||||
7464 | // Save results | |||
7465 | Built.IterationVarRef = IV.get(); | |||
7466 | Built.LastIteration = LastIteration.get(); | |||
7467 | Built.NumIterations = NumIterations.get(); | |||
7468 | Built.CalcLastIteration = SemaRef | |||
7469 | .ActOnFinishFullExpr(CalcLastIteration.get(), | |||
7470 | /*DiscardedValue=*/false) | |||
7471 | .get(); | |||
7472 | Built.PreCond = PreCond.get(); | |||
7473 | Built.PreInits = buildPreInits(C, Captures); | |||
7474 | Built.Cond = Cond.get(); | |||
7475 | Built.Init = Init.get(); | |||
7476 | Built.Inc = Inc.get(); | |||
7477 | Built.LB = LB.get(); | |||
7478 | Built.UB = UB.get(); | |||
7479 | Built.IL = IL.get(); | |||
7480 | Built.ST = ST.get(); | |||
7481 | Built.EUB = EUB.get(); | |||
7482 | Built.NLB = NextLB.get(); | |||
7483 | Built.NUB = NextUB.get(); | |||
7484 | Built.PrevLB = PrevLB.get(); | |||
7485 | Built.PrevUB = PrevUB.get(); | |||
7486 | Built.DistInc = DistInc.get(); | |||
7487 | Built.PrevEUB = PrevEUB.get(); | |||
7488 | Built.DistCombinedFields.LB = CombLB.get(); | |||
7489 | Built.DistCombinedFields.UB = CombUB.get(); | |||
7490 | Built.DistCombinedFields.EUB = CombEUB.get(); | |||
7491 | Built.DistCombinedFields.Init = CombInit.get(); | |||
7492 | Built.DistCombinedFields.Cond = CombCond.get(); | |||
7493 | Built.DistCombinedFields.NLB = CombNextLB.get(); | |||
7494 | Built.DistCombinedFields.NUB = CombNextUB.get(); | |||
7495 | Built.DistCombinedFields.DistCond = CombDistCond.get(); | |||
7496 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); | |||
7497 | ||||
7498 | return NestedLoopCount; | |||
7499 | } | |||
7500 | ||||
7501 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
7502 | auto CollapseClauses = | |||
7503 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | |||
7504 | if (CollapseClauses.begin() != CollapseClauses.end()) | |||
7505 | return (*CollapseClauses.begin())->getNumForLoops(); | |||
7506 | return nullptr; | |||
7507 | } | |||
7508 | ||||
7509 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
7510 | auto OrderedClauses = | |||
7511 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | |||
7512 | if (OrderedClauses.begin() != OrderedClauses.end()) | |||
7513 | return (*OrderedClauses.begin())->getNumForLoops(); | |||
7514 | return nullptr; | |||
7515 | } | |||
7516 | ||||
7517 | static bool checkSimdlenSafelenSpecified(Sema &S, | |||
7518 | const ArrayRef<OMPClause *> Clauses) { | |||
7519 | const OMPSafelenClause *Safelen = nullptr; | |||
7520 | const OMPSimdlenClause *Simdlen = nullptr; | |||
7521 | ||||
7522 | for (const OMPClause *Clause : Clauses) { | |||
7523 | if (Clause->getClauseKind() == OMPC_safelen) | |||
7524 | Safelen = cast<OMPSafelenClause>(Clause); | |||
7525 | else if (Clause->getClauseKind() == OMPC_simdlen) | |||
7526 | Simdlen = cast<OMPSimdlenClause>(Clause); | |||
7527 | if (Safelen && Simdlen) | |||
7528 | break; | |||
7529 | } | |||
7530 | ||||
7531 | if (Simdlen && Safelen) { | |||
7532 | const Expr *SimdlenLength = Simdlen->getSimdlen(); | |||
7533 | const Expr *SafelenLength = Safelen->getSafelen(); | |||
7534 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | |||
7535 | SimdlenLength->isInstantiationDependent() || | |||
7536 | SimdlenLength->containsUnexpandedParameterPack()) | |||
7537 | return false; | |||
7538 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | |||
7539 | SafelenLength->isInstantiationDependent() || | |||
7540 | SafelenLength->containsUnexpandedParameterPack()) | |||
7541 | return false; | |||
7542 | Expr::EvalResult SimdlenResult, SafelenResult; | |||
7543 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); | |||
7544 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); | |||
7545 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); | |||
7546 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); | |||
7547 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | |||
7548 | // If both simdlen and safelen clauses are specified, the value of the | |||
7549 | // simdlen parameter must be less than or equal to the value of the safelen | |||
7550 | // parameter. | |||
7551 | if (SimdlenRes > SafelenRes) { | |||
7552 | S.Diag(SimdlenLength->getExprLoc(), | |||
7553 | diag::err_omp_wrong_simdlen_safelen_values) | |||
7554 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | |||
7555 | return true; | |||
7556 | } | |||
7557 | } | |||
7558 | return false; | |||
7559 | } | |||
7560 | ||||
7561 | StmtResult | |||
7562 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | |||
7563 | SourceLocation StartLoc, SourceLocation EndLoc, | |||
7564 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
7565 | if (!AStmt) | |||
7566 | return StmtError(); | |||
7567 | ||||
7568 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7568, __PRETTY_FUNCTION__)); | |||
7569 | OMPLoopDirective::HelperExprs B; | |||
7570 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7571 | // define the nested loops number. | |||
7572 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
7573 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
7574 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
7575 | if (NestedLoopCount == 0) | |||
7576 | return StmtError(); | |||
7577 | ||||
7578 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7579, __PRETTY_FUNCTION__)) | |||
7579 | "omp simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7579, __PRETTY_FUNCTION__)); | |||
7580 | ||||
7581 | if (!CurContext->isDependentContext()) { | |||
7582 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7583 | for (OMPClause *C : Clauses) { | |||
7584 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7585 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7586 | B.NumIterations, *this, CurScope, | |||
7587 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7588 | return StmtError(); | |||
7589 | } | |||
7590 | } | |||
7591 | ||||
7592 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7593 | return StmtError(); | |||
7594 | ||||
7595 | setFunctionHasBranchProtectedScope(); | |||
7596 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
7597 | Clauses, AStmt, B); | |||
7598 | } | |||
7599 | ||||
7600 | StmtResult | |||
7601 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | |||
7602 | SourceLocation StartLoc, SourceLocation EndLoc, | |||
7603 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
7604 | if (!AStmt) | |||
7605 | return StmtError(); | |||
7606 | ||||
7607 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7607, __PRETTY_FUNCTION__)); | |||
7608 | OMPLoopDirective::HelperExprs B; | |||
7609 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7610 | // define the nested loops number. | |||
7611 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
7612 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
7613 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
7614 | if (NestedLoopCount == 0) | |||
7615 | return StmtError(); | |||
7616 | ||||
7617 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7618, __PRETTY_FUNCTION__)) | |||
7618 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7618, __PRETTY_FUNCTION__)); | |||
7619 | ||||
7620 | if (!CurContext->isDependentContext()) { | |||
7621 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7622 | for (OMPClause *C : Clauses) { | |||
7623 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7624 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7625 | B.NumIterations, *this, CurScope, | |||
7626 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7627 | return StmtError(); | |||
7628 | } | |||
7629 | } | |||
7630 | ||||
7631 | setFunctionHasBranchProtectedScope(); | |||
7632 | return OMPForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
7633 | Clauses, AStmt, B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7634 | } | |||
7635 | ||||
7636 | StmtResult Sema::ActOnOpenMPForSimdDirective( | |||
7637 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7638 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
7639 | if (!AStmt) | |||
7640 | return StmtError(); | |||
7641 | ||||
7642 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7642, __PRETTY_FUNCTION__)); | |||
7643 | OMPLoopDirective::HelperExprs B; | |||
7644 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7645 | // define the nested loops number. | |||
7646 | unsigned NestedLoopCount = | |||
7647 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | |||
7648 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7649 | VarsWithImplicitDSA, B); | |||
7650 | if (NestedLoopCount == 0) | |||
7651 | return StmtError(); | |||
7652 | ||||
7653 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7654, __PRETTY_FUNCTION__)) | |||
7654 | "omp for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7654, __PRETTY_FUNCTION__)); | |||
7655 | ||||
7656 | if (!CurContext->isDependentContext()) { | |||
7657 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7658 | for (OMPClause *C : Clauses) { | |||
7659 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7660 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7661 | B.NumIterations, *this, CurScope, | |||
7662 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7663 | return StmtError(); | |||
7664 | } | |||
7665 | } | |||
7666 | ||||
7667 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7668 | return StmtError(); | |||
7669 | ||||
7670 | setFunctionHasBranchProtectedScope(); | |||
7671 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
7672 | Clauses, AStmt, B); | |||
7673 | } | |||
7674 | ||||
7675 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
7676 | Stmt *AStmt, | |||
7677 | SourceLocation StartLoc, | |||
7678 | SourceLocation EndLoc) { | |||
7679 | if (!AStmt) | |||
7680 | return StmtError(); | |||
7681 | ||||
7682 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7682, __PRETTY_FUNCTION__)); | |||
7683 | auto BaseStmt = AStmt; | |||
7684 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
7685 | BaseStmt = CS->getCapturedStmt(); | |||
7686 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
7687 | auto S = C->children(); | |||
7688 | if (S.begin() == S.end()) | |||
7689 | return StmtError(); | |||
7690 | // All associated statements must be '#pragma omp section' except for | |||
7691 | // the first one. | |||
7692 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
7693 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
7694 | if (SectionStmt) | |||
7695 | Diag(SectionStmt->getBeginLoc(), | |||
7696 | diag::err_omp_sections_substmt_not_section); | |||
7697 | return StmtError(); | |||
7698 | } | |||
7699 | cast<OMPSectionDirective>(SectionStmt) | |||
7700 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7701 | } | |||
7702 | } else { | |||
7703 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); | |||
7704 | return StmtError(); | |||
7705 | } | |||
7706 | ||||
7707 | setFunctionHasBranchProtectedScope(); | |||
7708 | ||||
7709 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
7710 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7711 | } | |||
7712 | ||||
7713 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | |||
7714 | SourceLocation StartLoc, | |||
7715 | SourceLocation EndLoc) { | |||
7716 | if (!AStmt) | |||
7717 | return StmtError(); | |||
7718 | ||||
7719 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7719, __PRETTY_FUNCTION__)); | |||
7720 | ||||
7721 | setFunctionHasBranchProtectedScope(); | |||
7722 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7723 | ||||
7724 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | |||
7725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7726 | } | |||
7727 | ||||
7728 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | |||
7729 | Stmt *AStmt, | |||
7730 | SourceLocation StartLoc, | |||
7731 | SourceLocation EndLoc) { | |||
7732 | if (!AStmt) | |||
7733 | return StmtError(); | |||
7734 | ||||
7735 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7735, __PRETTY_FUNCTION__)); | |||
7736 | ||||
7737 | setFunctionHasBranchProtectedScope(); | |||
7738 | ||||
7739 | // OpenMP [2.7.3, single Construct, Restrictions] | |||
7740 | // The copyprivate clause must not be used with the nowait clause. | |||
7741 | const OMPClause *Nowait = nullptr; | |||
7742 | const OMPClause *Copyprivate = nullptr; | |||
7743 | for (const OMPClause *Clause : Clauses) { | |||
7744 | if (Clause->getClauseKind() == OMPC_nowait) | |||
7745 | Nowait = Clause; | |||
7746 | else if (Clause->getClauseKind() == OMPC_copyprivate) | |||
7747 | Copyprivate = Clause; | |||
7748 | if (Copyprivate && Nowait) { | |||
7749 | Diag(Copyprivate->getBeginLoc(), | |||
7750 | diag::err_omp_single_copyprivate_with_nowait); | |||
7751 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); | |||
7752 | return StmtError(); | |||
7753 | } | |||
7754 | } | |||
7755 | ||||
7756 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
7757 | } | |||
7758 | ||||
7759 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | |||
7760 | SourceLocation StartLoc, | |||
7761 | SourceLocation EndLoc) { | |||
7762 | if (!AStmt) | |||
7763 | return StmtError(); | |||
7764 | ||||
7765 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7765, __PRETTY_FUNCTION__)); | |||
7766 | ||||
7767 | setFunctionHasBranchProtectedScope(); | |||
7768 | ||||
7769 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | |||
7770 | } | |||
7771 | ||||
7772 | StmtResult Sema::ActOnOpenMPCriticalDirective( | |||
7773 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | |||
7774 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
7775 | if (!AStmt) | |||
7776 | return StmtError(); | |||
7777 | ||||
7778 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7778, __PRETTY_FUNCTION__)); | |||
7779 | ||||
7780 | bool ErrorFound = false; | |||
7781 | llvm::APSInt Hint; | |||
7782 | SourceLocation HintLoc; | |||
7783 | bool DependentHint = false; | |||
7784 | for (const OMPClause *C : Clauses) { | |||
7785 | if (C->getClauseKind() == OMPC_hint) { | |||
7786 | if (!DirName.getName()) { | |||
7787 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); | |||
7788 | ErrorFound = true; | |||
7789 | } | |||
7790 | Expr *E = cast<OMPHintClause>(C)->getHint(); | |||
7791 | if (E->isTypeDependent() || E->isValueDependent() || | |||
7792 | E->isInstantiationDependent()) { | |||
7793 | DependentHint = true; | |||
7794 | } else { | |||
7795 | Hint = E->EvaluateKnownConstInt(Context); | |||
7796 | HintLoc = C->getBeginLoc(); | |||
7797 | } | |||
7798 | } | |||
7799 | } | |||
7800 | if (ErrorFound) | |||
7801 | return StmtError(); | |||
7802 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | |||
7803 | if (Pair.first && DirName.getName() && !DependentHint) { | |||
7804 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | |||
7805 | Diag(StartLoc, diag::err_omp_critical_with_hint); | |||
7806 | if (HintLoc.isValid()) | |||
7807 | Diag(HintLoc, diag::note_omp_critical_hint_here) | |||
7808 | << 0 << Hint.toString(/*Radix=*/10, /*Signed=*/false); | |||
7809 | else | |||
7810 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | |||
7811 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | |||
7812 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) | |||
7813 | << 1 | |||
7814 | << C->getHint()->EvaluateKnownConstInt(Context).toString( | |||
7815 | /*Radix=*/10, /*Signed=*/false); | |||
7816 | } else { | |||
7817 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; | |||
7818 | } | |||
7819 | } | |||
7820 | } | |||
7821 | ||||
7822 | setFunctionHasBranchProtectedScope(); | |||
7823 | ||||
7824 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | |||
7825 | Clauses, AStmt); | |||
7826 | if (!Pair.first && DirName.getName() && !DependentHint) | |||
7827 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | |||
7828 | return Dir; | |||
7829 | } | |||
7830 | ||||
7831 | StmtResult Sema::ActOnOpenMPParallelForDirective( | |||
7832 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7833 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
7834 | if (!AStmt) | |||
7835 | return StmtError(); | |||
7836 | ||||
7837 | auto *CS = cast<CapturedStmt>(AStmt); | |||
7838 | // 1.2.2 OpenMP Language Terminology | |||
7839 | // Structured block - An executable statement with a single entry at the | |||
7840 | // top and a single exit at the bottom. | |||
7841 | // The point of exit cannot be a branch out of the structured block. | |||
7842 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7843 | CS->getCapturedDecl()->setNothrow(); | |||
7844 | ||||
7845 | OMPLoopDirective::HelperExprs B; | |||
7846 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7847 | // define the nested loops number. | |||
7848 | unsigned NestedLoopCount = | |||
7849 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | |||
7850 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7851 | VarsWithImplicitDSA, B); | |||
7852 | if (NestedLoopCount == 0) | |||
7853 | return StmtError(); | |||
7854 | ||||
7855 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7856, __PRETTY_FUNCTION__)) | |||
7856 | "omp parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7856, __PRETTY_FUNCTION__)); | |||
7857 | ||||
7858 | if (!CurContext->isDependentContext()) { | |||
7859 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7860 | for (OMPClause *C : Clauses) { | |||
7861 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7862 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7863 | B.NumIterations, *this, CurScope, | |||
7864 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7865 | return StmtError(); | |||
7866 | } | |||
7867 | } | |||
7868 | ||||
7869 | setFunctionHasBranchProtectedScope(); | |||
7870 | return OMPParallelForDirective::Create(Context, StartLoc, EndLoc, | |||
7871 | NestedLoopCount, Clauses, AStmt, B, | |||
7872 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7873 | } | |||
7874 | ||||
7875 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | |||
7876 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7877 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
7878 | if (!AStmt) | |||
7879 | return StmtError(); | |||
7880 | ||||
7881 | auto *CS = cast<CapturedStmt>(AStmt); | |||
7882 | // 1.2.2 OpenMP Language Terminology | |||
7883 | // Structured block - An executable statement with a single entry at the | |||
7884 | // top and a single exit at the bottom. | |||
7885 | // The point of exit cannot be a branch out of the structured block. | |||
7886 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7887 | CS->getCapturedDecl()->setNothrow(); | |||
7888 | ||||
7889 | OMPLoopDirective::HelperExprs B; | |||
7890 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7891 | // define the nested loops number. | |||
7892 | unsigned NestedLoopCount = | |||
7893 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
7894 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7895 | VarsWithImplicitDSA, B); | |||
7896 | if (NestedLoopCount == 0) | |||
7897 | return StmtError(); | |||
7898 | ||||
7899 | if (!CurContext->isDependentContext()) { | |||
7900 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7901 | for (OMPClause *C : Clauses) { | |||
7902 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7903 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7904 | B.NumIterations, *this, CurScope, | |||
7905 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7906 | return StmtError(); | |||
7907 | } | |||
7908 | } | |||
7909 | ||||
7910 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7911 | return StmtError(); | |||
7912 | ||||
7913 | setFunctionHasBranchProtectedScope(); | |||
7914 | return OMPParallelForSimdDirective::Create( | |||
7915 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7916 | } | |||
7917 | ||||
7918 | StmtResult | |||
7919 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
7920 | Stmt *AStmt, SourceLocation StartLoc, | |||
7921 | SourceLocation EndLoc) { | |||
7922 | if (!AStmt) | |||
7923 | return StmtError(); | |||
7924 | ||||
7925 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7925, __PRETTY_FUNCTION__)); | |||
7926 | auto BaseStmt = AStmt; | |||
7927 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
7928 | BaseStmt = CS->getCapturedStmt(); | |||
7929 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
7930 | auto S = C->children(); | |||
7931 | if (S.begin() == S.end()) | |||
7932 | return StmtError(); | |||
7933 | // All associated statements must be '#pragma omp section' except for | |||
7934 | // the first one. | |||
7935 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
7936 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
7937 | if (SectionStmt) | |||
7938 | Diag(SectionStmt->getBeginLoc(), | |||
7939 | diag::err_omp_parallel_sections_substmt_not_section); | |||
7940 | return StmtError(); | |||
7941 | } | |||
7942 | cast<OMPSectionDirective>(SectionStmt) | |||
7943 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7944 | } | |||
7945 | } else { | |||
7946 | Diag(AStmt->getBeginLoc(), | |||
7947 | diag::err_omp_parallel_sections_not_compound_stmt); | |||
7948 | return StmtError(); | |||
7949 | } | |||
7950 | ||||
7951 | setFunctionHasBranchProtectedScope(); | |||
7952 | ||||
7953 | return OMPParallelSectionsDirective::Create( | |||
7954 | Context, StartLoc, EndLoc, Clauses, AStmt, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7955 | } | |||
7956 | ||||
7957 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | |||
7958 | Stmt *AStmt, SourceLocation StartLoc, | |||
7959 | SourceLocation EndLoc) { | |||
7960 | if (!AStmt) | |||
7961 | return StmtError(); | |||
7962 | ||||
7963 | auto *CS = cast<CapturedStmt>(AStmt); | |||
7964 | // 1.2.2 OpenMP Language Terminology | |||
7965 | // Structured block - An executable statement with a single entry at the | |||
7966 | // top and a single exit at the bottom. | |||
7967 | // The point of exit cannot be a branch out of the structured block. | |||
7968 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7969 | CS->getCapturedDecl()->setNothrow(); | |||
7970 | ||||
7971 | setFunctionHasBranchProtectedScope(); | |||
7972 | ||||
7973 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
7974 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7975 | } | |||
7976 | ||||
7977 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | |||
7978 | SourceLocation EndLoc) { | |||
7979 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | |||
7980 | } | |||
7981 | ||||
7982 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | |||
7983 | SourceLocation EndLoc) { | |||
7984 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | |||
7985 | } | |||
7986 | ||||
7987 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | |||
7988 | SourceLocation EndLoc) { | |||
7989 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | |||
7990 | } | |||
7991 | ||||
7992 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | |||
7993 | Stmt *AStmt, | |||
7994 | SourceLocation StartLoc, | |||
7995 | SourceLocation EndLoc) { | |||
7996 | if (!AStmt) | |||
7997 | return StmtError(); | |||
7998 | ||||
7999 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7999, __PRETTY_FUNCTION__)); | |||
8000 | ||||
8001 | setFunctionHasBranchProtectedScope(); | |||
8002 | ||||
8003 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
8004 | AStmt, | |||
8005 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | |||
8006 | } | |||
8007 | ||||
8008 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | |||
8009 | SourceLocation StartLoc, | |||
8010 | SourceLocation EndLoc) { | |||
8011 | assert(Clauses.size() <= 1 && "Extra clauses in flush directive")((Clauses.size() <= 1 && "Extra clauses in flush directive" ) ? static_cast<void> (0) : __assert_fail ("Clauses.size() <= 1 && \"Extra clauses in flush directive\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8011, __PRETTY_FUNCTION__)); | |||
8012 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
8013 | } | |||
8014 | ||||
8015 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | |||
8016 | Stmt *AStmt, | |||
8017 | SourceLocation StartLoc, | |||
8018 | SourceLocation EndLoc) { | |||
8019 | const OMPClause *DependFound = nullptr; | |||
8020 | const OMPClause *DependSourceClause = nullptr; | |||
8021 | const OMPClause *DependSinkClause = nullptr; | |||
8022 | bool ErrorFound = false; | |||
8023 | const OMPThreadsClause *TC = nullptr; | |||
8024 | const OMPSIMDClause *SC = nullptr; | |||
8025 | for (const OMPClause *C : Clauses) { | |||
8026 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | |||
8027 | DependFound = C; | |||
8028 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | |||
8029 | if (DependSourceClause) { | |||
8030 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | |||
8031 | << getOpenMPDirectiveName(OMPD_ordered) | |||
8032 | << getOpenMPClauseName(OMPC_depend) << 2; | |||
8033 | ErrorFound = true; | |||
8034 | } else { | |||
8035 | DependSourceClause = C; | |||
8036 | } | |||
8037 | if (DependSinkClause) { | |||
8038 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | |||
8039 | << 0; | |||
8040 | ErrorFound = true; | |||
8041 | } | |||
8042 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | |||
8043 | if (DependSourceClause) { | |||
8044 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | |||
8045 | << 1; | |||
8046 | ErrorFound = true; | |||
8047 | } | |||
8048 | DependSinkClause = C; | |||
8049 | } | |||
8050 | } else if (C->getClauseKind() == OMPC_threads) { | |||
8051 | TC = cast<OMPThreadsClause>(C); | |||
8052 | } else if (C->getClauseKind() == OMPC_simd) { | |||
8053 | SC = cast<OMPSIMDClause>(C); | |||
8054 | } | |||
8055 | } | |||
8056 | if (!ErrorFound && !SC && | |||
8057 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | |||
8058 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
8059 | // An ordered construct with the simd clause is the only OpenMP construct | |||
8060 | // that can appear in the simd region. | |||
8061 | Diag(StartLoc, diag::err_omp_prohibited_region_simd); | |||
8062 | ErrorFound = true; | |||
8063 | } else if (DependFound && (TC || SC)) { | |||
8064 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) | |||
8065 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | |||
8066 | ErrorFound = true; | |||
8067 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
8068 | Diag(DependFound->getBeginLoc(), | |||
8069 | diag::err_omp_ordered_directive_without_param); | |||
8070 | ErrorFound = true; | |||
8071 | } else if (TC || Clauses.empty()) { | |||
8072 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
8073 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; | |||
8074 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | |||
8075 | << (TC != nullptr); | |||
8076 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param); | |||
8077 | ErrorFound = true; | |||
8078 | } | |||
8079 | } | |||
8080 | if ((!AStmt && !DependFound) || ErrorFound) | |||
8081 | return StmtError(); | |||
8082 | ||||
8083 | if (AStmt) { | |||
8084 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8084, __PRETTY_FUNCTION__)); | |||
8085 | ||||
8086 | setFunctionHasBranchProtectedScope(); | |||
8087 | } | |||
8088 | ||||
8089 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
8090 | } | |||
8091 | ||||
8092 | namespace { | |||
8093 | /// Helper class for checking expression in 'omp atomic [update]' | |||
8094 | /// construct. | |||
8095 | class OpenMPAtomicUpdateChecker { | |||
8096 | /// Error results for atomic update expressions. | |||
8097 | enum ExprAnalysisErrorCode { | |||
8098 | /// A statement is not an expression statement. | |||
8099 | NotAnExpression, | |||
8100 | /// Expression is not builtin binary or unary operation. | |||
8101 | NotABinaryOrUnaryExpression, | |||
8102 | /// Unary operation is not post-/pre- increment/decrement operation. | |||
8103 | NotAnUnaryIncDecExpression, | |||
8104 | /// An expression is not of scalar type. | |||
8105 | NotAScalarType, | |||
8106 | /// A binary operation is not an assignment operation. | |||
8107 | NotAnAssignmentOp, | |||
8108 | /// RHS part of the binary operation is not a binary expression. | |||
8109 | NotABinaryExpression, | |||
8110 | /// RHS part is not additive/multiplicative/shift/biwise binary | |||
8111 | /// expression. | |||
8112 | NotABinaryOperator, | |||
8113 | /// RHS binary operation does not have reference to the updated LHS | |||
8114 | /// part. | |||
8115 | NotAnUpdateExpression, | |||
8116 | /// No errors is found. | |||
8117 | NoError | |||
8118 | }; | |||
8119 | /// Reference to Sema. | |||
8120 | Sema &SemaRef; | |||
8121 | /// A location for note diagnostics (when error is found). | |||
8122 | SourceLocation NoteLoc; | |||
8123 | /// 'x' lvalue part of the source atomic expression. | |||
8124 | Expr *X; | |||
8125 | /// 'expr' rvalue part of the source atomic expression. | |||
8126 | Expr *E; | |||
8127 | /// Helper expression of the form | |||
8128 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
8129 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
8130 | Expr *UpdateExpr; | |||
8131 | /// Is 'x' a LHS in a RHS part of full update expression. It is | |||
8132 | /// important for non-associative operations. | |||
8133 | bool IsXLHSInRHSPart; | |||
8134 | BinaryOperatorKind Op; | |||
8135 | SourceLocation OpLoc; | |||
8136 | /// true if the source expression is a postfix unary operation, false | |||
8137 | /// if it is a prefix unary operation. | |||
8138 | bool IsPostfixUpdate; | |||
8139 | ||||
8140 | public: | |||
8141 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | |||
8142 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | |||
8143 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | |||
8144 | /// Check specified statement that it is suitable for 'atomic update' | |||
8145 | /// constructs and extract 'x', 'expr' and Operation from the original | |||
8146 | /// expression. If DiagId and NoteId == 0, then only check is performed | |||
8147 | /// without error notification. | |||
8148 | /// \param DiagId Diagnostic which should be emitted if error is found. | |||
8149 | /// \param NoteId Diagnostic note for the main error message. | |||
8150 | /// \return true if statement is not an update expression, false otherwise. | |||
8151 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | |||
8152 | /// Return the 'x' lvalue part of the source atomic expression. | |||
8153 | Expr *getX() const { return X; } | |||
8154 | /// Return the 'expr' rvalue part of the source atomic expression. | |||
8155 | Expr *getExpr() const { return E; } | |||
8156 | /// Return the update expression used in calculation of the updated | |||
8157 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
8158 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
8159 | Expr *getUpdateExpr() const { return UpdateExpr; } | |||
8160 | /// Return true if 'x' is LHS in RHS part of full update expression, | |||
8161 | /// false otherwise. | |||
8162 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | |||
8163 | ||||
8164 | /// true if the source expression is a postfix unary operation, false | |||
8165 | /// if it is a prefix unary operation. | |||
8166 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | |||
8167 | ||||
8168 | private: | |||
8169 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | |||
8170 | unsigned NoteId = 0); | |||
8171 | }; | |||
8172 | } // namespace | |||
8173 | ||||
8174 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | |||
8175 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | |||
8176 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
8177 | SourceLocation ErrorLoc, NoteLoc; | |||
8178 | SourceRange ErrorRange, NoteRange; | |||
8179 | // Allowed constructs are: | |||
8180 | // x = x binop expr; | |||
8181 | // x = expr binop x; | |||
8182 | if (AtomicBinOp->getOpcode() == BO_Assign) { | |||
8183 | X = AtomicBinOp->getLHS(); | |||
8184 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | |||
8185 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | |||
8186 | if (AtomicInnerBinOp->isMultiplicativeOp() || | |||
8187 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | |||
8188 | AtomicInnerBinOp->isBitwiseOp()) { | |||
8189 | Op = AtomicInnerBinOp->getOpcode(); | |||
8190 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
8191 | Expr *LHS = AtomicInnerBinOp->getLHS(); | |||
8192 | Expr *RHS = AtomicInnerBinOp->getRHS(); | |||
8193 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | |||
8194 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | |||
8195 | /*Canonical=*/true); | |||
8196 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | |||
8197 | /*Canonical=*/true); | |||
8198 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | |||
8199 | /*Canonical=*/true); | |||
8200 | if (XId == LHSId) { | |||
8201 | E = RHS; | |||
8202 | IsXLHSInRHSPart = true; | |||
8203 | } else if (XId == RHSId) { | |||
8204 | E = LHS; | |||
8205 | IsXLHSInRHSPart = false; | |||
8206 | } else { | |||
8207 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
8208 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
8209 | NoteLoc = X->getExprLoc(); | |||
8210 | NoteRange = X->getSourceRange(); | |||
8211 | ErrorFound = NotAnUpdateExpression; | |||
8212 | } | |||
8213 | } else { | |||
8214 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
8215 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
8216 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
8217 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
8218 | ErrorFound = NotABinaryOperator; | |||
8219 | } | |||
8220 | } else { | |||
8221 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | |||
8222 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | |||
8223 | ErrorFound = NotABinaryExpression; | |||
8224 | } | |||
8225 | } else { | |||
8226 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
8227 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
8228 | NoteLoc = AtomicBinOp->getOperatorLoc(); | |||
8229 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
8230 | ErrorFound = NotAnAssignmentOp; | |||
8231 | } | |||
8232 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
8233 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
8234 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
8235 | return true; | |||
8236 | } | |||
8237 | if (SemaRef.CurContext->isDependentContext()) | |||
8238 | E = X = UpdateExpr = nullptr; | |||
8239 | return ErrorFound != NoError; | |||
8240 | } | |||
8241 | ||||
8242 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | |||
8243 | unsigned NoteId) { | |||
8244 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
8245 | SourceLocation ErrorLoc, NoteLoc; | |||
8246 | SourceRange ErrorRange, NoteRange; | |||
8247 | // Allowed constructs are: | |||
8248 | // x++; | |||
8249 | // x--; | |||
8250 | // ++x; | |||
8251 | // --x; | |||
8252 | // x binop= expr; | |||
8253 | // x = x binop expr; | |||
8254 | // x = expr binop x; | |||
8255 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | |||
8256 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | |||
8257 | if (AtomicBody->getType()->isScalarType() || | |||
8258 | AtomicBody->isInstantiationDependent()) { | |||
8259 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | |||
8260 | AtomicBody->IgnoreParenImpCasts())) { | |||
8261 | // Check for Compound Assignment Operation | |||
8262 | Op = BinaryOperator::getOpForCompoundAssignment( | |||
8263 | AtomicCompAssignOp->getOpcode()); | |||
8264 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | |||
8265 | E = AtomicCompAssignOp->getRHS(); | |||
8266 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | |||
8267 | IsXLHSInRHSPart = true; | |||
8268 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | |||
8269 | AtomicBody->IgnoreParenImpCasts())) { | |||
8270 | // Check for Binary Operation | |||
8271 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | |||
8272 | return true; | |||
8273 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | |||
8274 | AtomicBody->IgnoreParenImpCasts())) { | |||
8275 | // Check for Unary Operation | |||
8276 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | |||
8277 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | |||
8278 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | |||
8279 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | |||
8280 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | |||
8281 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | |||
8282 | IsXLHSInRHSPart = true; | |||
8283 | } else { | |||
8284 | ErrorFound = NotAnUnaryIncDecExpression; | |||
8285 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | |||
8286 | ErrorRange = AtomicUnaryOp->getSourceRange(); | |||
8287 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | |||
8288 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
8289 | } | |||
8290 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
8291 | ErrorFound = NotABinaryOrUnaryExpression; | |||
8292 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | |||
8293 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | |||
8294 | } | |||
8295 | } else { | |||
8296 | ErrorFound = NotAScalarType; | |||
8297 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); | |||
8298 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
8299 | } | |||
8300 | } else { | |||
8301 | ErrorFound = NotAnExpression; | |||
8302 | NoteLoc = ErrorLoc = S->getBeginLoc(); | |||
8303 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
8304 | } | |||
8305 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
8306 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
8307 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
8308 | return true; | |||
8309 | } | |||
8310 | if (SemaRef.CurContext->isDependentContext()) | |||
8311 | E = X = UpdateExpr = nullptr; | |||
8312 | if (ErrorFound == NoError && E && X) { | |||
8313 | // Build an update expression of form 'OpaqueValueExpr(x) binop | |||
8314 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | |||
8315 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | |||
8316 | auto *OVEX = new (SemaRef.getASTContext()) | |||
8317 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_RValue); | |||
8318 | auto *OVEExpr = new (SemaRef.getASTContext()) | |||
8319 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_RValue); | |||
8320 | ExprResult Update = | |||
8321 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | |||
8322 | IsXLHSInRHSPart ? OVEExpr : OVEX); | |||
8323 | if (Update.isInvalid()) | |||
8324 | return true; | |||
8325 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | |||
8326 | Sema::AA_Casting); | |||
8327 | if (Update.isInvalid()) | |||
8328 | return true; | |||
8329 | UpdateExpr = Update.get(); | |||
8330 | } | |||
8331 | return ErrorFound != NoError; | |||
8332 | } | |||
8333 | ||||
8334 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | |||
8335 | Stmt *AStmt, | |||
8336 | SourceLocation StartLoc, | |||
8337 | SourceLocation EndLoc) { | |||
8338 | if (!AStmt) | |||
8339 | return StmtError(); | |||
8340 | ||||
8341 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8342 | // 1.2.2 OpenMP Language Terminology | |||
8343 | // Structured block - An executable statement with a single entry at the | |||
8344 | // top and a single exit at the bottom. | |||
8345 | // The point of exit cannot be a branch out of the structured block. | |||
8346 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8347 | OpenMPClauseKind AtomicKind = OMPC_unknown; | |||
8348 | SourceLocation AtomicKindLoc; | |||
8349 | for (const OMPClause *C : Clauses) { | |||
8350 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | |||
8351 | C->getClauseKind() == OMPC_update || | |||
8352 | C->getClauseKind() == OMPC_capture) { | |||
8353 | if (AtomicKind != OMPC_unknown) { | |||
8354 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) | |||
8355 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | |||
8356 | Diag(AtomicKindLoc, diag::note_omp_atomic_previous_clause) | |||
8357 | << getOpenMPClauseName(AtomicKind); | |||
8358 | } else { | |||
8359 | AtomicKind = C->getClauseKind(); | |||
8360 | AtomicKindLoc = C->getBeginLoc(); | |||
8361 | } | |||
8362 | } | |||
8363 | } | |||
8364 | ||||
8365 | Stmt *Body = CS->getCapturedStmt(); | |||
8366 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | |||
8367 | Body = EWC->getSubExpr(); | |||
8368 | ||||
8369 | Expr *X = nullptr; | |||
8370 | Expr *V = nullptr; | |||
8371 | Expr *E = nullptr; | |||
8372 | Expr *UE = nullptr; | |||
8373 | bool IsXLHSInRHSPart = false; | |||
8374 | bool IsPostfixUpdate = false; | |||
8375 | // OpenMP [2.12.6, atomic Construct] | |||
8376 | // In the next expressions: | |||
8377 | // * x and v (as applicable) are both l-value expressions with scalar type. | |||
8378 | // * During the execution of an atomic region, multiple syntactic | |||
8379 | // occurrences of x must designate the same storage location. | |||
8380 | // * Neither of v and expr (as applicable) may access the storage location | |||
8381 | // designated by x. | |||
8382 | // * Neither of x and expr (as applicable) may access the storage location | |||
8383 | // designated by v. | |||
8384 | // * expr is an expression with scalar type. | |||
8385 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | |||
8386 | // * binop, binop=, ++, and -- are not overloaded operators. | |||
8387 | // * The expression x binop expr must be numerically equivalent to x binop | |||
8388 | // (expr). This requirement is satisfied if the operators in expr have | |||
8389 | // precedence greater than binop, or by using parentheses around expr or | |||
8390 | // subexpressions of expr. | |||
8391 | // * The expression expr binop x must be numerically equivalent to (expr) | |||
8392 | // binop x. This requirement is satisfied if the operators in expr have | |||
8393 | // precedence equal to or greater than binop, or by using parentheses around | |||
8394 | // expr or subexpressions of expr. | |||
8395 | // * For forms that allow multiple occurrences of x, the number of times | |||
8396 | // that x is evaluated is unspecified. | |||
8397 | if (AtomicKind == OMPC_read) { | |||
8398 | enum { | |||
8399 | NotAnExpression, | |||
8400 | NotAnAssignmentOp, | |||
8401 | NotAScalarType, | |||
8402 | NotAnLValue, | |||
8403 | NoError | |||
8404 | } ErrorFound = NoError; | |||
8405 | SourceLocation ErrorLoc, NoteLoc; | |||
8406 | SourceRange ErrorRange, NoteRange; | |||
8407 | // If clause is read: | |||
8408 | // v = x; | |||
8409 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
8410 | const auto *AtomicBinOp = | |||
8411 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
8412 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
8413 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
8414 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | |||
8415 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
8416 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | |||
8417 | if (!X->isLValue() || !V->isLValue()) { | |||
8418 | const Expr *NotLValueExpr = X->isLValue() ? V : X; | |||
8419 | ErrorFound = NotAnLValue; | |||
8420 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
8421 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
8422 | NoteLoc = NotLValueExpr->getExprLoc(); | |||
8423 | NoteRange = NotLValueExpr->getSourceRange(); | |||
8424 | } | |||
8425 | } else if (!X->isInstantiationDependent() || | |||
8426 | !V->isInstantiationDependent()) { | |||
8427 | const Expr *NotScalarExpr = | |||
8428 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
8429 | ? V | |||
8430 | : X; | |||
8431 | ErrorFound = NotAScalarType; | |||
8432 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
8433 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
8434 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
8435 | NoteRange = NotScalarExpr->getSourceRange(); | |||
8436 | } | |||
8437 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
8438 | ErrorFound = NotAnAssignmentOp; | |||
8439 | ErrorLoc = AtomicBody->getExprLoc(); | |||
8440 | ErrorRange = AtomicBody->getSourceRange(); | |||
8441 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
8442 | : AtomicBody->getExprLoc(); | |||
8443 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
8444 | : AtomicBody->getSourceRange(); | |||
8445 | } | |||
8446 | } else { | |||
8447 | ErrorFound = NotAnExpression; | |||
8448 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
8449 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
8450 | } | |||
8451 | if (ErrorFound != NoError) { | |||
8452 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | |||
8453 | << ErrorRange; | |||
8454 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
8455 | << NoteRange; | |||
8456 | return StmtError(); | |||
8457 | } | |||
8458 | if (CurContext->isDependentContext()) | |||
8459 | V = X = nullptr; | |||
8460 | } else if (AtomicKind == OMPC_write) { | |||
8461 | enum { | |||
8462 | NotAnExpression, | |||
8463 | NotAnAssignmentOp, | |||
8464 | NotAScalarType, | |||
8465 | NotAnLValue, | |||
8466 | NoError | |||
8467 | } ErrorFound = NoError; | |||
8468 | SourceLocation ErrorLoc, NoteLoc; | |||
8469 | SourceRange ErrorRange, NoteRange; | |||
8470 | // If clause is write: | |||
8471 | // x = expr; | |||
8472 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
8473 | const auto *AtomicBinOp = | |||
8474 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
8475 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
8476 | X = AtomicBinOp->getLHS(); | |||
8477 | E = AtomicBinOp->getRHS(); | |||
8478 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
8479 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | |||
8480 | if (!X->isLValue()) { | |||
8481 | ErrorFound = NotAnLValue; | |||
8482 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
8483 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
8484 | NoteLoc = X->getExprLoc(); | |||
8485 | NoteRange = X->getSourceRange(); | |||
8486 | } | |||
8487 | } else if (!X->isInstantiationDependent() || | |||
8488 | !E->isInstantiationDependent()) { | |||
8489 | const Expr *NotScalarExpr = | |||
8490 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
8491 | ? E | |||
8492 | : X; | |||
8493 | ErrorFound = NotAScalarType; | |||
8494 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
8495 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
8496 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
8497 | NoteRange = NotScalarExpr->getSourceRange(); | |||
8498 | } | |||
8499 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
8500 | ErrorFound = NotAnAssignmentOp; | |||
8501 | ErrorLoc = AtomicBody->getExprLoc(); | |||
8502 | ErrorRange = AtomicBody->getSourceRange(); | |||
8503 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
8504 | : AtomicBody->getExprLoc(); | |||
8505 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
8506 | : AtomicBody->getSourceRange(); | |||
8507 | } | |||
8508 | } else { | |||
8509 | ErrorFound = NotAnExpression; | |||
8510 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
8511 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
8512 | } | |||
8513 | if (ErrorFound != NoError) { | |||
8514 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | |||
8515 | << ErrorRange; | |||
8516 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
8517 | << NoteRange; | |||
8518 | return StmtError(); | |||
8519 | } | |||
8520 | if (CurContext->isDependentContext()) | |||
8521 | E = X = nullptr; | |||
8522 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | |||
8523 | // If clause is update: | |||
8524 | // x++; | |||
8525 | // x--; | |||
8526 | // ++x; | |||
8527 | // --x; | |||
8528 | // x binop= expr; | |||
8529 | // x = x binop expr; | |||
8530 | // x = expr binop x; | |||
8531 | OpenMPAtomicUpdateChecker Checker(*this); | |||
8532 | if (Checker.checkStatement( | |||
8533 | Body, (AtomicKind == OMPC_update) | |||
8534 | ? diag::err_omp_atomic_update_not_expression_statement | |||
8535 | : diag::err_omp_atomic_not_expression_statement, | |||
8536 | diag::note_omp_atomic_update)) | |||
8537 | return StmtError(); | |||
8538 | if (!CurContext->isDependentContext()) { | |||
8539 | E = Checker.getExpr(); | |||
8540 | X = Checker.getX(); | |||
8541 | UE = Checker.getUpdateExpr(); | |||
8542 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
8543 | } | |||
8544 | } else if (AtomicKind == OMPC_capture) { | |||
8545 | enum { | |||
8546 | NotAnAssignmentOp, | |||
8547 | NotACompoundStatement, | |||
8548 | NotTwoSubstatements, | |||
8549 | NotASpecificExpression, | |||
8550 | NoError | |||
8551 | } ErrorFound = NoError; | |||
8552 | SourceLocation ErrorLoc, NoteLoc; | |||
8553 | SourceRange ErrorRange, NoteRange; | |||
8554 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
8555 | // If clause is a capture: | |||
8556 | // v = x++; | |||
8557 | // v = x--; | |||
8558 | // v = ++x; | |||
8559 | // v = --x; | |||
8560 | // v = x binop= expr; | |||
8561 | // v = x = x binop expr; | |||
8562 | // v = x = expr binop x; | |||
8563 | const auto *AtomicBinOp = | |||
8564 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
8565 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
8566 | V = AtomicBinOp->getLHS(); | |||
8567 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
8568 | OpenMPAtomicUpdateChecker Checker(*this); | |||
8569 | if (Checker.checkStatement( | |||
8570 | Body, diag::err_omp_atomic_capture_not_expression_statement, | |||
8571 | diag::note_omp_atomic_update)) | |||
8572 | return StmtError(); | |||
8573 | E = Checker.getExpr(); | |||
8574 | X = Checker.getX(); | |||
8575 | UE = Checker.getUpdateExpr(); | |||
8576 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
8577 | IsPostfixUpdate = Checker.isPostfixUpdate(); | |||
8578 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
8579 | ErrorLoc = AtomicBody->getExprLoc(); | |||
8580 | ErrorRange = AtomicBody->getSourceRange(); | |||
8581 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
8582 | : AtomicBody->getExprLoc(); | |||
8583 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
8584 | : AtomicBody->getSourceRange(); | |||
8585 | ErrorFound = NotAnAssignmentOp; | |||
8586 | } | |||
8587 | if (ErrorFound != NoError) { | |||
8588 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | |||
8589 | << ErrorRange; | |||
8590 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
8591 | return StmtError(); | |||
8592 | } | |||
8593 | if (CurContext->isDependentContext()) | |||
8594 | UE = V = E = X = nullptr; | |||
8595 | } else { | |||
8596 | // If clause is a capture: | |||
8597 | // { v = x; x = expr; } | |||
8598 | // { v = x; x++; } | |||
8599 | // { v = x; x--; } | |||
8600 | // { v = x; ++x; } | |||
8601 | // { v = x; --x; } | |||
8602 | // { v = x; x binop= expr; } | |||
8603 | // { v = x; x = x binop expr; } | |||
8604 | // { v = x; x = expr binop x; } | |||
8605 | // { x++; v = x; } | |||
8606 | // { x--; v = x; } | |||
8607 | // { ++x; v = x; } | |||
8608 | // { --x; v = x; } | |||
8609 | // { x binop= expr; v = x; } | |||
8610 | // { x = x binop expr; v = x; } | |||
8611 | // { x = expr binop x; v = x; } | |||
8612 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | |||
8613 | // Check that this is { expr1; expr2; } | |||
8614 | if (CS->size() == 2) { | |||
8615 | Stmt *First = CS->body_front(); | |||
8616 | Stmt *Second = CS->body_back(); | |||
8617 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | |||
8618 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
8619 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | |||
8620 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
8621 | // Need to find what subexpression is 'v' and what is 'x'. | |||
8622 | OpenMPAtomicUpdateChecker Checker(*this); | |||
8623 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | |||
8624 | BinaryOperator *BinOp = nullptr; | |||
8625 | if (IsUpdateExprFound) { | |||
8626 | BinOp = dyn_cast<BinaryOperator>(First); | |||
8627 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
8628 | } | |||
8629 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
8630 | // { v = x; x++; } | |||
8631 | // { v = x; x--; } | |||
8632 | // { v = x; ++x; } | |||
8633 | // { v = x; --x; } | |||
8634 | // { v = x; x binop= expr; } | |||
8635 | // { v = x; x = x binop expr; } | |||
8636 | // { v = x; x = expr binop x; } | |||
8637 | // Check that the first expression has form v = x. | |||
8638 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
8639 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
8640 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
8641 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
8642 | IsUpdateExprFound = XId == PossibleXId; | |||
8643 | if (IsUpdateExprFound) { | |||
8644 | V = BinOp->getLHS(); | |||
8645 | X = Checker.getX(); | |||
8646 | E = Checker.getExpr(); | |||
8647 | UE = Checker.getUpdateExpr(); | |||
8648 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
8649 | IsPostfixUpdate = true; | |||
8650 | } | |||
8651 | } | |||
8652 | if (!IsUpdateExprFound) { | |||
8653 | IsUpdateExprFound = !Checker.checkStatement(First); | |||
8654 | BinOp = nullptr; | |||
8655 | if (IsUpdateExprFound) { | |||
8656 | BinOp = dyn_cast<BinaryOperator>(Second); | |||
8657 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
8658 | } | |||
8659 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
8660 | // { x++; v = x; } | |||
8661 | // { x--; v = x; } | |||
8662 | // { ++x; v = x; } | |||
8663 | // { --x; v = x; } | |||
8664 | // { x binop= expr; v = x; } | |||
8665 | // { x = x binop expr; v = x; } | |||
8666 | // { x = expr binop x; v = x; } | |||
8667 | // Check that the second expression has form v = x. | |||
8668 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
8669 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
8670 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
8671 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
8672 | IsUpdateExprFound = XId == PossibleXId; | |||
8673 | if (IsUpdateExprFound) { | |||
8674 | V = BinOp->getLHS(); | |||
8675 | X = Checker.getX(); | |||
8676 | E = Checker.getExpr(); | |||
8677 | UE = Checker.getUpdateExpr(); | |||
8678 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
8679 | IsPostfixUpdate = false; | |||
8680 | } | |||
8681 | } | |||
8682 | } | |||
8683 | if (!IsUpdateExprFound) { | |||
8684 | // { v = x; x = expr; } | |||
8685 | auto *FirstExpr = dyn_cast<Expr>(First); | |||
8686 | auto *SecondExpr = dyn_cast<Expr>(Second); | |||
8687 | if (!FirstExpr || !SecondExpr || | |||
8688 | !(FirstExpr->isInstantiationDependent() || | |||
8689 | SecondExpr->isInstantiationDependent())) { | |||
8690 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | |||
8691 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | |||
8692 | ErrorFound = NotAnAssignmentOp; | |||
8693 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | |||
8694 | : First->getBeginLoc(); | |||
8695 | NoteRange = ErrorRange = FirstBinOp | |||
8696 | ? FirstBinOp->getSourceRange() | |||
8697 | : SourceRange(ErrorLoc, ErrorLoc); | |||
8698 | } else { | |||
8699 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | |||
8700 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | |||
8701 | ErrorFound = NotAnAssignmentOp; | |||
8702 | NoteLoc = ErrorLoc = SecondBinOp | |||
8703 | ? SecondBinOp->getOperatorLoc() | |||
8704 | : Second->getBeginLoc(); | |||
8705 | NoteRange = ErrorRange = | |||
8706 | SecondBinOp ? SecondBinOp->getSourceRange() | |||
8707 | : SourceRange(ErrorLoc, ErrorLoc); | |||
8708 | } else { | |||
8709 | Expr *PossibleXRHSInFirst = | |||
8710 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | |||
8711 | Expr *PossibleXLHSInSecond = | |||
8712 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | |||
8713 | llvm::FoldingSetNodeID X1Id, X2Id; | |||
8714 | PossibleXRHSInFirst->Profile(X1Id, Context, | |||
8715 | /*Canonical=*/true); | |||
8716 | PossibleXLHSInSecond->Profile(X2Id, Context, | |||
8717 | /*Canonical=*/true); | |||
8718 | IsUpdateExprFound = X1Id == X2Id; | |||
8719 | if (IsUpdateExprFound) { | |||
8720 | V = FirstBinOp->getLHS(); | |||
8721 | X = SecondBinOp->getLHS(); | |||
8722 | E = SecondBinOp->getRHS(); | |||
8723 | UE = nullptr; | |||
8724 | IsXLHSInRHSPart = false; | |||
8725 | IsPostfixUpdate = true; | |||
8726 | } else { | |||
8727 | ErrorFound = NotASpecificExpression; | |||
8728 | ErrorLoc = FirstBinOp->getExprLoc(); | |||
8729 | ErrorRange = FirstBinOp->getSourceRange(); | |||
8730 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | |||
8731 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | |||
8732 | } | |||
8733 | } | |||
8734 | } | |||
8735 | } | |||
8736 | } | |||
8737 | } else { | |||
8738 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
8739 | NoteRange = ErrorRange = | |||
8740 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | |||
8741 | ErrorFound = NotTwoSubstatements; | |||
8742 | } | |||
8743 | } else { | |||
8744 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
8745 | NoteRange = ErrorRange = | |||
8746 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | |||
8747 | ErrorFound = NotACompoundStatement; | |||
8748 | } | |||
8749 | if (ErrorFound != NoError) { | |||
8750 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | |||
8751 | << ErrorRange; | |||
8752 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
8753 | return StmtError(); | |||
8754 | } | |||
8755 | if (CurContext->isDependentContext()) | |||
8756 | UE = V = E = X = nullptr; | |||
8757 | } | |||
8758 | } | |||
8759 | ||||
8760 | setFunctionHasBranchProtectedScope(); | |||
8761 | ||||
8762 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
8763 | X, V, E, UE, IsXLHSInRHSPart, | |||
8764 | IsPostfixUpdate); | |||
8765 | } | |||
8766 | ||||
8767 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | |||
8768 | Stmt *AStmt, | |||
8769 | SourceLocation StartLoc, | |||
8770 | SourceLocation EndLoc) { | |||
8771 | if (!AStmt) | |||
8772 | return StmtError(); | |||
8773 | ||||
8774 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8775 | // 1.2.2 OpenMP Language Terminology | |||
8776 | // Structured block - An executable statement with a single entry at the | |||
8777 | // top and a single exit at the bottom. | |||
8778 | // The point of exit cannot be a branch out of the structured block. | |||
8779 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8780 | CS->getCapturedDecl()->setNothrow(); | |||
8781 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | |||
8782 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
8783 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
8784 | // 1.2.2 OpenMP Language Terminology | |||
8785 | // Structured block - An executable statement with a single entry at the | |||
8786 | // top and a single exit at the bottom. | |||
8787 | // The point of exit cannot be a branch out of the structured block. | |||
8788 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8789 | CS->getCapturedDecl()->setNothrow(); | |||
8790 | } | |||
8791 | ||||
8792 | // OpenMP [2.16, Nesting of Regions] | |||
8793 | // If specified, a teams construct must be contained within a target | |||
8794 | // construct. That target construct must contain no statements or directives | |||
8795 | // outside of the teams construct. | |||
8796 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | |||
8797 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
8798 | bool OMPTeamsFound = true; | |||
8799 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { | |||
8800 | auto I = CS->body_begin(); | |||
8801 | while (I != CS->body_end()) { | |||
8802 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); | |||
8803 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || | |||
8804 | OMPTeamsFound) { | |||
8805 | ||||
8806 | OMPTeamsFound = false; | |||
8807 | break; | |||
8808 | } | |||
8809 | ++I; | |||
8810 | } | |||
8811 | assert(I != CS->body_end() && "Not found statement")((I != CS->body_end() && "Not found statement") ? static_cast <void> (0) : __assert_fail ("I != CS->body_end() && \"Not found statement\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8811, __PRETTY_FUNCTION__)); | |||
8812 | S = *I; | |||
8813 | } else { | |||
8814 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); | |||
8815 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | |||
8816 | } | |||
8817 | if (!OMPTeamsFound) { | |||
8818 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | |||
8819 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | |||
8820 | diag::note_omp_nested_teams_construct_here); | |||
8821 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) | |||
8822 | << isa<OMPExecutableDirective>(S); | |||
8823 | return StmtError(); | |||
8824 | } | |||
8825 | } | |||
8826 | ||||
8827 | setFunctionHasBranchProtectedScope(); | |||
8828 | ||||
8829 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
8830 | } | |||
8831 | ||||
8832 | StmtResult | |||
8833 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
8834 | Stmt *AStmt, SourceLocation StartLoc, | |||
8835 | SourceLocation EndLoc) { | |||
8836 | if (!AStmt) | |||
8837 | return StmtError(); | |||
8838 | ||||
8839 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8840 | // 1.2.2 OpenMP Language Terminology | |||
8841 | // Structured block - An executable statement with a single entry at the | |||
8842 | // top and a single exit at the bottom. | |||
8843 | // The point of exit cannot be a branch out of the structured block. | |||
8844 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8845 | CS->getCapturedDecl()->setNothrow(); | |||
8846 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | |||
8847 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
8848 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
8849 | // 1.2.2 OpenMP Language Terminology | |||
8850 | // Structured block - An executable statement with a single entry at the | |||
8851 | // top and a single exit at the bottom. | |||
8852 | // The point of exit cannot be a branch out of the structured block. | |||
8853 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8854 | CS->getCapturedDecl()->setNothrow(); | |||
8855 | } | |||
8856 | ||||
8857 | setFunctionHasBranchProtectedScope(); | |||
8858 | ||||
8859 | return OMPTargetParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
8860 | AStmt); | |||
8861 | } | |||
8862 | ||||
8863 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | |||
8864 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
8865 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
8866 | if (!AStmt) | |||
8867 | return StmtError(); | |||
8868 | ||||
8869 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8870 | // 1.2.2 OpenMP Language Terminology | |||
8871 | // Structured block - An executable statement with a single entry at the | |||
8872 | // top and a single exit at the bottom. | |||
8873 | // The point of exit cannot be a branch out of the structured block. | |||
8874 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8875 | CS->getCapturedDecl()->setNothrow(); | |||
8876 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
8877 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
8878 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
8879 | // 1.2.2 OpenMP Language Terminology | |||
8880 | // Structured block - An executable statement with a single entry at the | |||
8881 | // top and a single exit at the bottom. | |||
8882 | // The point of exit cannot be a branch out of the structured block. | |||
8883 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8884 | CS->getCapturedDecl()->setNothrow(); | |||
8885 | } | |||
8886 | ||||
8887 | OMPLoopDirective::HelperExprs B; | |||
8888 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
8889 | // define the nested loops number. | |||
8890 | unsigned NestedLoopCount = | |||
8891 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | |||
8892 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
8893 | VarsWithImplicitDSA, B); | |||
8894 | if (NestedLoopCount == 0) | |||
8895 | return StmtError(); | |||
8896 | ||||
8897 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8898, __PRETTY_FUNCTION__)) | |||
8898 | "omp target parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8898, __PRETTY_FUNCTION__)); | |||
8899 | ||||
8900 | if (!CurContext->isDependentContext()) { | |||
8901 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
8902 | for (OMPClause *C : Clauses) { | |||
8903 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
8904 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
8905 | B.NumIterations, *this, CurScope, | |||
8906 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
8907 | return StmtError(); | |||
8908 | } | |||
8909 | } | |||
8910 | ||||
8911 | setFunctionHasBranchProtectedScope(); | |||
8912 | return OMPTargetParallelForDirective::Create(Context, StartLoc, EndLoc, | |||
8913 | NestedLoopCount, Clauses, AStmt, | |||
8914 | B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
8915 | } | |||
8916 | ||||
8917 | /// Check for existence of a map clause in the list of clauses. | |||
8918 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | |||
8919 | const OpenMPClauseKind K) { | |||
8920 | return llvm::any_of( | |||
8921 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | |||
8922 | } | |||
8923 | ||||
8924 | template <typename... Params> | |||
8925 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | |||
8926 | const Params... ClauseTypes) { | |||
8927 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | |||
8928 | } | |||
8929 | ||||
8930 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | |||
8931 | Stmt *AStmt, | |||
8932 | SourceLocation StartLoc, | |||
8933 | SourceLocation EndLoc) { | |||
8934 | if (!AStmt) | |||
8935 | return StmtError(); | |||
8936 | ||||
8937 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8937, __PRETTY_FUNCTION__)); | |||
8938 | ||||
8939 | // OpenMP [2.10.1, Restrictions, p. 97] | |||
8940 | // At least one map clause must appear on the directive. | |||
8941 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr)) { | |||
8942 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
8943 | << "'map' or 'use_device_ptr'" | |||
8944 | << getOpenMPDirectiveName(OMPD_target_data); | |||
8945 | return StmtError(); | |||
8946 | } | |||
8947 | ||||
8948 | setFunctionHasBranchProtectedScope(); | |||
8949 | ||||
8950 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
8951 | AStmt); | |||
8952 | } | |||
8953 | ||||
8954 | StmtResult | |||
8955 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | |||
8956 | SourceLocation StartLoc, | |||
8957 | SourceLocation EndLoc, Stmt *AStmt) { | |||
8958 | if (!AStmt) | |||
8959 | return StmtError(); | |||
8960 | ||||
8961 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8962 | // 1.2.2 OpenMP Language Terminology | |||
8963 | // Structured block - An executable statement with a single entry at the | |||
8964 | // top and a single exit at the bottom. | |||
8965 | // The point of exit cannot be a branch out of the structured block. | |||
8966 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8967 | CS->getCapturedDecl()->setNothrow(); | |||
8968 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | |||
8969 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
8970 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
8971 | // 1.2.2 OpenMP Language Terminology | |||
8972 | // Structured block - An executable statement with a single entry at the | |||
8973 | // top and a single exit at the bottom. | |||
8974 | // The point of exit cannot be a branch out of the structured block. | |||
8975 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
8976 | CS->getCapturedDecl()->setNothrow(); | |||
8977 | } | |||
8978 | ||||
8979 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
8980 | // At least one map clause must appear on the directive. | |||
8981 | if (!hasClauses(Clauses, OMPC_map)) { | |||
8982 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
8983 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | |||
8984 | return StmtError(); | |||
8985 | } | |||
8986 | ||||
8987 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
8988 | AStmt); | |||
8989 | } | |||
8990 | ||||
8991 | StmtResult | |||
8992 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | |||
8993 | SourceLocation StartLoc, | |||
8994 | SourceLocation EndLoc, Stmt *AStmt) { | |||
8995 | if (!AStmt) | |||
8996 | return StmtError(); | |||
8997 | ||||
8998 | auto *CS = cast<CapturedStmt>(AStmt); | |||
8999 | // 1.2.2 OpenMP Language Terminology | |||
9000 | // Structured block - An executable statement with a single entry at the | |||
9001 | // top and a single exit at the bottom. | |||
9002 | // The point of exit cannot be a branch out of the structured block. | |||
9003 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9004 | CS->getCapturedDecl()->setNothrow(); | |||
9005 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | |||
9006 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9007 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9008 | // 1.2.2 OpenMP Language Terminology | |||
9009 | // Structured block - An executable statement with a single entry at the | |||
9010 | // top and a single exit at the bottom. | |||
9011 | // The point of exit cannot be a branch out of the structured block. | |||
9012 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9013 | CS->getCapturedDecl()->setNothrow(); | |||
9014 | } | |||
9015 | ||||
9016 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
9017 | // At least one map clause must appear on the directive. | |||
9018 | if (!hasClauses(Clauses, OMPC_map)) { | |||
9019 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
9020 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | |||
9021 | return StmtError(); | |||
9022 | } | |||
9023 | ||||
9024 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
9025 | AStmt); | |||
9026 | } | |||
9027 | ||||
9028 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | |||
9029 | SourceLocation StartLoc, | |||
9030 | SourceLocation EndLoc, | |||
9031 | Stmt *AStmt) { | |||
9032 | if (!AStmt) | |||
9033 | return StmtError(); | |||
9034 | ||||
9035 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9036 | // 1.2.2 OpenMP Language Terminology | |||
9037 | // Structured block - An executable statement with a single entry at the | |||
9038 | // top and a single exit at the bottom. | |||
9039 | // The point of exit cannot be a branch out of the structured block. | |||
9040 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9041 | CS->getCapturedDecl()->setNothrow(); | |||
9042 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | |||
9043 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9044 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9045 | // 1.2.2 OpenMP Language Terminology | |||
9046 | // Structured block - An executable statement with a single entry at the | |||
9047 | // top and a single exit at the bottom. | |||
9048 | // The point of exit cannot be a branch out of the structured block. | |||
9049 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9050 | CS->getCapturedDecl()->setNothrow(); | |||
9051 | } | |||
9052 | ||||
9053 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | |||
9054 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | |||
9055 | return StmtError(); | |||
9056 | } | |||
9057 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
9058 | AStmt); | |||
9059 | } | |||
9060 | ||||
9061 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
9062 | Stmt *AStmt, SourceLocation StartLoc, | |||
9063 | SourceLocation EndLoc) { | |||
9064 | if (!AStmt) | |||
9065 | return StmtError(); | |||
9066 | ||||
9067 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9068 | // 1.2.2 OpenMP Language Terminology | |||
9069 | // Structured block - An executable statement with a single entry at the | |||
9070 | // top and a single exit at the bottom. | |||
9071 | // The point of exit cannot be a branch out of the structured block. | |||
9072 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9073 | CS->getCapturedDecl()->setNothrow(); | |||
9074 | ||||
9075 | setFunctionHasBranchProtectedScope(); | |||
9076 | ||||
9077 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
9078 | ||||
9079 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
9080 | } | |||
9081 | ||||
9082 | StmtResult | |||
9083 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | |||
9084 | SourceLocation EndLoc, | |||
9085 | OpenMPDirectiveKind CancelRegion) { | |||
9086 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
9087 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | |||
9088 | return StmtError(); | |||
9089 | } | |||
9090 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
9091 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | |||
9092 | return StmtError(); | |||
9093 | } | |||
9094 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | |||
9095 | CancelRegion); | |||
9096 | } | |||
9097 | ||||
9098 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | |||
9099 | SourceLocation StartLoc, | |||
9100 | SourceLocation EndLoc, | |||
9101 | OpenMPDirectiveKind CancelRegion) { | |||
9102 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
9103 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | |||
9104 | return StmtError(); | |||
9105 | } | |||
9106 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
9107 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | |||
9108 | return StmtError(); | |||
9109 | } | |||
9110 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | |||
9111 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
9112 | CancelRegion); | |||
9113 | } | |||
9114 | ||||
9115 | static bool checkGrainsizeNumTasksClauses(Sema &S, | |||
9116 | ArrayRef<OMPClause *> Clauses) { | |||
9117 | const OMPClause *PrevClause = nullptr; | |||
9118 | bool ErrorFound = false; | |||
9119 | for (const OMPClause *C : Clauses) { | |||
9120 | if (C->getClauseKind() == OMPC_grainsize || | |||
9121 | C->getClauseKind() == OMPC_num_tasks) { | |||
9122 | if (!PrevClause) | |||
9123 | PrevClause = C; | |||
9124 | else if (PrevClause->getClauseKind() != C->getClauseKind()) { | |||
9125 | S.Diag(C->getBeginLoc(), | |||
9126 | diag::err_omp_grainsize_num_tasks_mutually_exclusive) | |||
9127 | << getOpenMPClauseName(C->getClauseKind()) | |||
9128 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
9129 | S.Diag(PrevClause->getBeginLoc(), | |||
9130 | diag::note_omp_previous_grainsize_num_tasks) | |||
9131 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
9132 | ErrorFound = true; | |||
9133 | } | |||
9134 | } | |||
9135 | } | |||
9136 | return ErrorFound; | |||
9137 | } | |||
9138 | ||||
9139 | static bool checkReductionClauseWithNogroup(Sema &S, | |||
9140 | ArrayRef<OMPClause *> Clauses) { | |||
9141 | const OMPClause *ReductionClause = nullptr; | |||
9142 | const OMPClause *NogroupClause = nullptr; | |||
9143 | for (const OMPClause *C : Clauses) { | |||
9144 | if (C->getClauseKind() == OMPC_reduction) { | |||
9145 | ReductionClause = C; | |||
9146 | if (NogroupClause) | |||
9147 | break; | |||
9148 | continue; | |||
9149 | } | |||
9150 | if (C->getClauseKind() == OMPC_nogroup) { | |||
9151 | NogroupClause = C; | |||
9152 | if (ReductionClause) | |||
9153 | break; | |||
9154 | continue; | |||
9155 | } | |||
9156 | } | |||
9157 | if (ReductionClause && NogroupClause) { | |||
9158 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) | |||
9159 | << SourceRange(NogroupClause->getBeginLoc(), | |||
9160 | NogroupClause->getEndLoc()); | |||
9161 | return true; | |||
9162 | } | |||
9163 | return false; | |||
9164 | } | |||
9165 | ||||
9166 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | |||
9167 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9168 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9169 | if (!AStmt) | |||
9170 | return StmtError(); | |||
9171 | ||||
9172 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9172, __PRETTY_FUNCTION__)); | |||
9173 | OMPLoopDirective::HelperExprs B; | |||
9174 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9175 | // define the nested loops number. | |||
9176 | unsigned NestedLoopCount = | |||
9177 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | |||
9178 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9179 | VarsWithImplicitDSA, B); | |||
9180 | if (NestedLoopCount == 0) | |||
9181 | return StmtError(); | |||
9182 | ||||
9183 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9184, __PRETTY_FUNCTION__)) | |||
9184 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9184, __PRETTY_FUNCTION__)); | |||
9185 | ||||
9186 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
9187 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
9188 | // not appear on the same taskloop directive. | |||
9189 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | |||
9190 | return StmtError(); | |||
9191 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
9192 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
9193 | // clause must not be specified. | |||
9194 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
9195 | return StmtError(); | |||
9196 | ||||
9197 | setFunctionHasBranchProtectedScope(); | |||
9198 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | |||
9199 | NestedLoopCount, Clauses, AStmt, B); | |||
9200 | } | |||
9201 | ||||
9202 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | |||
9203 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9204 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9205 | if (!AStmt) | |||
9206 | return StmtError(); | |||
9207 | ||||
9208 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9208, __PRETTY_FUNCTION__)); | |||
9209 | OMPLoopDirective::HelperExprs B; | |||
9210 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9211 | // define the nested loops number. | |||
9212 | unsigned NestedLoopCount = | |||
9213 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | |||
9214 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9215 | VarsWithImplicitDSA, B); | |||
9216 | if (NestedLoopCount == 0) | |||
9217 | return StmtError(); | |||
9218 | ||||
9219 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9220, __PRETTY_FUNCTION__)) | |||
9220 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9220, __PRETTY_FUNCTION__)); | |||
9221 | ||||
9222 | if (!CurContext->isDependentContext()) { | |||
9223 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9224 | for (OMPClause *C : Clauses) { | |||
9225 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9226 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9227 | B.NumIterations, *this, CurScope, | |||
9228 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9229 | return StmtError(); | |||
9230 | } | |||
9231 | } | |||
9232 | ||||
9233 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
9234 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
9235 | // not appear on the same taskloop directive. | |||
9236 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | |||
9237 | return StmtError(); | |||
9238 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
9239 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
9240 | // clause must not be specified. | |||
9241 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
9242 | return StmtError(); | |||
9243 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9244 | return StmtError(); | |||
9245 | ||||
9246 | setFunctionHasBranchProtectedScope(); | |||
9247 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | |||
9248 | NestedLoopCount, Clauses, AStmt, B); | |||
9249 | } | |||
9250 | ||||
9251 | StmtResult Sema::ActOnOpenMPDistributeDirective( | |||
9252 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9253 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9254 | if (!AStmt) | |||
9255 | return StmtError(); | |||
9256 | ||||
9257 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9257, __PRETTY_FUNCTION__)); | |||
9258 | OMPLoopDirective::HelperExprs B; | |||
9259 | // In presence of clause 'collapse' with number of loops, it will | |||
9260 | // define the nested loops number. | |||
9261 | unsigned NestedLoopCount = | |||
9262 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | |||
9263 | nullptr /*ordered not a clause on distribute*/, AStmt, | |||
9264 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9265 | if (NestedLoopCount == 0) | |||
9266 | return StmtError(); | |||
9267 | ||||
9268 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9269, __PRETTY_FUNCTION__)) | |||
9269 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9269, __PRETTY_FUNCTION__)); | |||
9270 | ||||
9271 | setFunctionHasBranchProtectedScope(); | |||
9272 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | |||
9273 | NestedLoopCount, Clauses, AStmt, B); | |||
9274 | } | |||
9275 | ||||
9276 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | |||
9277 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9278 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9279 | if (!AStmt) | |||
9280 | return StmtError(); | |||
9281 | ||||
9282 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9283 | // 1.2.2 OpenMP Language Terminology | |||
9284 | // Structured block - An executable statement with a single entry at the | |||
9285 | // top and a single exit at the bottom. | |||
9286 | // The point of exit cannot be a branch out of the structured block. | |||
9287 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9288 | CS->getCapturedDecl()->setNothrow(); | |||
9289 | for (int ThisCaptureLevel = | |||
9290 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | |||
9291 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9292 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9293 | // 1.2.2 OpenMP Language Terminology | |||
9294 | // Structured block - An executable statement with a single entry at the | |||
9295 | // top and a single exit at the bottom. | |||
9296 | // The point of exit cannot be a branch out of the structured block. | |||
9297 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9298 | CS->getCapturedDecl()->setNothrow(); | |||
9299 | } | |||
9300 | ||||
9301 | OMPLoopDirective::HelperExprs B; | |||
9302 | // In presence of clause 'collapse' with number of loops, it will | |||
9303 | // define the nested loops number. | |||
9304 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9305 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
9306 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9307 | VarsWithImplicitDSA, B); | |||
9308 | if (NestedLoopCount == 0) | |||
9309 | return StmtError(); | |||
9310 | ||||
9311 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9312, __PRETTY_FUNCTION__)) | |||
9312 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9312, __PRETTY_FUNCTION__)); | |||
9313 | ||||
9314 | setFunctionHasBranchProtectedScope(); | |||
9315 | return OMPDistributeParallelForDirective::Create( | |||
9316 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
9317 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9318 | } | |||
9319 | ||||
9320 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | |||
9321 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9322 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9323 | if (!AStmt) | |||
9324 | return StmtError(); | |||
9325 | ||||
9326 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9327 | // 1.2.2 OpenMP Language Terminology | |||
9328 | // Structured block - An executable statement with a single entry at the | |||
9329 | // top and a single exit at the bottom. | |||
9330 | // The point of exit cannot be a branch out of the structured block. | |||
9331 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9332 | CS->getCapturedDecl()->setNothrow(); | |||
9333 | for (int ThisCaptureLevel = | |||
9334 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | |||
9335 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9336 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9337 | // 1.2.2 OpenMP Language Terminology | |||
9338 | // Structured block - An executable statement with a single entry at the | |||
9339 | // top and a single exit at the bottom. | |||
9340 | // The point of exit cannot be a branch out of the structured block. | |||
9341 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9342 | CS->getCapturedDecl()->setNothrow(); | |||
9343 | } | |||
9344 | ||||
9345 | OMPLoopDirective::HelperExprs B; | |||
9346 | // In presence of clause 'collapse' with number of loops, it will | |||
9347 | // define the nested loops number. | |||
9348 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9349 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
9350 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9351 | VarsWithImplicitDSA, B); | |||
9352 | if (NestedLoopCount == 0) | |||
9353 | return StmtError(); | |||
9354 | ||||
9355 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9356, __PRETTY_FUNCTION__)) | |||
9356 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9356, __PRETTY_FUNCTION__)); | |||
9357 | ||||
9358 | if (!CurContext->isDependentContext()) { | |||
9359 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9360 | for (OMPClause *C : Clauses) { | |||
9361 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9362 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9363 | B.NumIterations, *this, CurScope, | |||
9364 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9365 | return StmtError(); | |||
9366 | } | |||
9367 | } | |||
9368 | ||||
9369 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9370 | return StmtError(); | |||
9371 | ||||
9372 | setFunctionHasBranchProtectedScope(); | |||
9373 | return OMPDistributeParallelForSimdDirective::Create( | |||
9374 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9375 | } | |||
9376 | ||||
9377 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | |||
9378 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9379 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9380 | if (!AStmt) | |||
9381 | return StmtError(); | |||
9382 | ||||
9383 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9384 | // 1.2.2 OpenMP Language Terminology | |||
9385 | // Structured block - An executable statement with a single entry at the | |||
9386 | // top and a single exit at the bottom. | |||
9387 | // The point of exit cannot be a branch out of the structured block. | |||
9388 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9389 | CS->getCapturedDecl()->setNothrow(); | |||
9390 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | |||
9391 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9392 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9393 | // 1.2.2 OpenMP Language Terminology | |||
9394 | // Structured block - An executable statement with a single entry at the | |||
9395 | // top and a single exit at the bottom. | |||
9396 | // The point of exit cannot be a branch out of the structured block. | |||
9397 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9398 | CS->getCapturedDecl()->setNothrow(); | |||
9399 | } | |||
9400 | ||||
9401 | OMPLoopDirective::HelperExprs B; | |||
9402 | // In presence of clause 'collapse' with number of loops, it will | |||
9403 | // define the nested loops number. | |||
9404 | unsigned NestedLoopCount = | |||
9405 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | |||
9406 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
9407 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9408 | if (NestedLoopCount == 0) | |||
9409 | return StmtError(); | |||
9410 | ||||
9411 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9412, __PRETTY_FUNCTION__)) | |||
9412 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9412, __PRETTY_FUNCTION__)); | |||
9413 | ||||
9414 | if (!CurContext->isDependentContext()) { | |||
9415 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9416 | for (OMPClause *C : Clauses) { | |||
9417 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9418 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9419 | B.NumIterations, *this, CurScope, | |||
9420 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9421 | return StmtError(); | |||
9422 | } | |||
9423 | } | |||
9424 | ||||
9425 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9426 | return StmtError(); | |||
9427 | ||||
9428 | setFunctionHasBranchProtectedScope(); | |||
9429 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | |||
9430 | NestedLoopCount, Clauses, AStmt, B); | |||
9431 | } | |||
9432 | ||||
9433 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | |||
9434 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9435 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9436 | if (!AStmt) | |||
9437 | return StmtError(); | |||
9438 | ||||
9439 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9440 | // 1.2.2 OpenMP Language Terminology | |||
9441 | // Structured block - An executable statement with a single entry at the | |||
9442 | // top and a single exit at the bottom. | |||
9443 | // The point of exit cannot be a branch out of the structured block. | |||
9444 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9445 | CS->getCapturedDecl()->setNothrow(); | |||
9446 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
9447 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9448 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9449 | // 1.2.2 OpenMP Language Terminology | |||
9450 | // Structured block - An executable statement with a single entry at the | |||
9451 | // top and a single exit at the bottom. | |||
9452 | // The point of exit cannot be a branch out of the structured block. | |||
9453 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9454 | CS->getCapturedDecl()->setNothrow(); | |||
9455 | } | |||
9456 | ||||
9457 | OMPLoopDirective::HelperExprs B; | |||
9458 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9459 | // define the nested loops number. | |||
9460 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9461 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
9462 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9463 | VarsWithImplicitDSA, B); | |||
9464 | if (NestedLoopCount == 0) | |||
9465 | return StmtError(); | |||
9466 | ||||
9467 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9468, __PRETTY_FUNCTION__)) | |||
9468 | "omp target parallel for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9468, __PRETTY_FUNCTION__)); | |||
9469 | ||||
9470 | if (!CurContext->isDependentContext()) { | |||
9471 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9472 | for (OMPClause *C : Clauses) { | |||
9473 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9474 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9475 | B.NumIterations, *this, CurScope, | |||
9476 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9477 | return StmtError(); | |||
9478 | } | |||
9479 | } | |||
9480 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9481 | return StmtError(); | |||
9482 | ||||
9483 | setFunctionHasBranchProtectedScope(); | |||
9484 | return OMPTargetParallelForSimdDirective::Create( | |||
9485 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9486 | } | |||
9487 | ||||
9488 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | |||
9489 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9490 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9491 | if (!AStmt) | |||
9492 | return StmtError(); | |||
9493 | ||||
9494 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9495 | // 1.2.2 OpenMP Language Terminology | |||
9496 | // Structured block - An executable statement with a single entry at the | |||
9497 | // top and a single exit at the bottom. | |||
9498 | // The point of exit cannot be a branch out of the structured block. | |||
9499 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9500 | CS->getCapturedDecl()->setNothrow(); | |||
9501 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | |||
9502 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9503 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9504 | // 1.2.2 OpenMP Language Terminology | |||
9505 | // Structured block - An executable statement with a single entry at the | |||
9506 | // top and a single exit at the bottom. | |||
9507 | // The point of exit cannot be a branch out of the structured block. | |||
9508 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9509 | CS->getCapturedDecl()->setNothrow(); | |||
9510 | } | |||
9511 | ||||
9512 | OMPLoopDirective::HelperExprs B; | |||
9513 | // In presence of clause 'collapse' with number of loops, it will define the | |||
9514 | // nested loops number. | |||
9515 | unsigned NestedLoopCount = | |||
9516 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | |||
9517 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9518 | VarsWithImplicitDSA, B); | |||
9519 | if (NestedLoopCount == 0) | |||
9520 | return StmtError(); | |||
9521 | ||||
9522 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9523, __PRETTY_FUNCTION__)) | |||
9523 | "omp target simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9523, __PRETTY_FUNCTION__)); | |||
9524 | ||||
9525 | if (!CurContext->isDependentContext()) { | |||
9526 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9527 | for (OMPClause *C : Clauses) { | |||
9528 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9529 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9530 | B.NumIterations, *this, CurScope, | |||
9531 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9532 | return StmtError(); | |||
9533 | } | |||
9534 | } | |||
9535 | ||||
9536 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9537 | return StmtError(); | |||
9538 | ||||
9539 | setFunctionHasBranchProtectedScope(); | |||
9540 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | |||
9541 | NestedLoopCount, Clauses, AStmt, B); | |||
9542 | } | |||
9543 | ||||
9544 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | |||
9545 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9546 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9547 | if (!AStmt) | |||
9548 | return StmtError(); | |||
9549 | ||||
9550 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9551 | // 1.2.2 OpenMP Language Terminology | |||
9552 | // Structured block - An executable statement with a single entry at the | |||
9553 | // top and a single exit at the bottom. | |||
9554 | // The point of exit cannot be a branch out of the structured block. | |||
9555 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9556 | CS->getCapturedDecl()->setNothrow(); | |||
9557 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | |||
9558 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9559 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9560 | // 1.2.2 OpenMP Language Terminology | |||
9561 | // Structured block - An executable statement with a single entry at the | |||
9562 | // top and a single exit at the bottom. | |||
9563 | // The point of exit cannot be a branch out of the structured block. | |||
9564 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9565 | CS->getCapturedDecl()->setNothrow(); | |||
9566 | } | |||
9567 | ||||
9568 | OMPLoopDirective::HelperExprs B; | |||
9569 | // In presence of clause 'collapse' with number of loops, it will | |||
9570 | // define the nested loops number. | |||
9571 | unsigned NestedLoopCount = | |||
9572 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | |||
9573 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
9574 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9575 | if (NestedLoopCount == 0) | |||
9576 | return StmtError(); | |||
9577 | ||||
9578 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9579, __PRETTY_FUNCTION__)) | |||
9579 | "omp teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9579, __PRETTY_FUNCTION__)); | |||
9580 | ||||
9581 | setFunctionHasBranchProtectedScope(); | |||
9582 | ||||
9583 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
9584 | ||||
9585 | return OMPTeamsDistributeDirective::Create( | |||
9586 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9587 | } | |||
9588 | ||||
9589 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | |||
9590 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9591 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9592 | if (!AStmt) | |||
9593 | return StmtError(); | |||
9594 | ||||
9595 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9596 | // 1.2.2 OpenMP Language Terminology | |||
9597 | // Structured block - An executable statement with a single entry at the | |||
9598 | // top and a single exit at the bottom. | |||
9599 | // The point of exit cannot be a branch out of the structured block. | |||
9600 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9601 | CS->getCapturedDecl()->setNothrow(); | |||
9602 | for (int ThisCaptureLevel = | |||
9603 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | |||
9604 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9605 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9606 | // 1.2.2 OpenMP Language Terminology | |||
9607 | // Structured block - An executable statement with a single entry at the | |||
9608 | // top and a single exit at the bottom. | |||
9609 | // The point of exit cannot be a branch out of the structured block. | |||
9610 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9611 | CS->getCapturedDecl()->setNothrow(); | |||
9612 | } | |||
9613 | ||||
9614 | ||||
9615 | OMPLoopDirective::HelperExprs B; | |||
9616 | // In presence of clause 'collapse' with number of loops, it will | |||
9617 | // define the nested loops number. | |||
9618 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9619 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
9620 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9621 | VarsWithImplicitDSA, B); | |||
9622 | ||||
9623 | if (NestedLoopCount == 0) | |||
9624 | return StmtError(); | |||
9625 | ||||
9626 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9627, __PRETTY_FUNCTION__)) | |||
9627 | "omp teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9627, __PRETTY_FUNCTION__)); | |||
9628 | ||||
9629 | if (!CurContext->isDependentContext()) { | |||
9630 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9631 | for (OMPClause *C : Clauses) { | |||
9632 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9633 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9634 | B.NumIterations, *this, CurScope, | |||
9635 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9636 | return StmtError(); | |||
9637 | } | |||
9638 | } | |||
9639 | ||||
9640 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9641 | return StmtError(); | |||
9642 | ||||
9643 | setFunctionHasBranchProtectedScope(); | |||
9644 | ||||
9645 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
9646 | ||||
9647 | return OMPTeamsDistributeSimdDirective::Create( | |||
9648 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9649 | } | |||
9650 | ||||
9651 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
9652 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9653 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9654 | if (!AStmt) | |||
9655 | return StmtError(); | |||
9656 | ||||
9657 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9658 | // 1.2.2 OpenMP Language Terminology | |||
9659 | // Structured block - An executable statement with a single entry at the | |||
9660 | // top and a single exit at the bottom. | |||
9661 | // The point of exit cannot be a branch out of the structured block. | |||
9662 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9663 | CS->getCapturedDecl()->setNothrow(); | |||
9664 | ||||
9665 | for (int ThisCaptureLevel = | |||
9666 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | |||
9667 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9668 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9669 | // 1.2.2 OpenMP Language Terminology | |||
9670 | // Structured block - An executable statement with a single entry at the | |||
9671 | // top and a single exit at the bottom. | |||
9672 | // The point of exit cannot be a branch out of the structured block. | |||
9673 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9674 | CS->getCapturedDecl()->setNothrow(); | |||
9675 | } | |||
9676 | ||||
9677 | OMPLoopDirective::HelperExprs B; | |||
9678 | // In presence of clause 'collapse' with number of loops, it will | |||
9679 | // define the nested loops number. | |||
9680 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9681 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
9682 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9683 | VarsWithImplicitDSA, B); | |||
9684 | ||||
9685 | if (NestedLoopCount == 0) | |||
9686 | return StmtError(); | |||
9687 | ||||
9688 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9689, __PRETTY_FUNCTION__)) | |||
9689 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9689, __PRETTY_FUNCTION__)); | |||
9690 | ||||
9691 | if (!CurContext->isDependentContext()) { | |||
9692 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9693 | for (OMPClause *C : Clauses) { | |||
9694 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9695 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9696 | B.NumIterations, *this, CurScope, | |||
9697 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9698 | return StmtError(); | |||
9699 | } | |||
9700 | } | |||
9701 | ||||
9702 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9703 | return StmtError(); | |||
9704 | ||||
9705 | setFunctionHasBranchProtectedScope(); | |||
9706 | ||||
9707 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
9708 | ||||
9709 | return OMPTeamsDistributeParallelForSimdDirective::Create( | |||
9710 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9711 | } | |||
9712 | ||||
9713 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | |||
9714 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9715 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9716 | if (!AStmt) | |||
9717 | return StmtError(); | |||
9718 | ||||
9719 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9720 | // 1.2.2 OpenMP Language Terminology | |||
9721 | // Structured block - An executable statement with a single entry at the | |||
9722 | // top and a single exit at the bottom. | |||
9723 | // The point of exit cannot be a branch out of the structured block. | |||
9724 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9725 | CS->getCapturedDecl()->setNothrow(); | |||
9726 | ||||
9727 | for (int ThisCaptureLevel = | |||
9728 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | |||
9729 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9730 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9731 | // 1.2.2 OpenMP Language Terminology | |||
9732 | // Structured block - An executable statement with a single entry at the | |||
9733 | // top and a single exit at the bottom. | |||
9734 | // The point of exit cannot be a branch out of the structured block. | |||
9735 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9736 | CS->getCapturedDecl()->setNothrow(); | |||
9737 | } | |||
9738 | ||||
9739 | OMPLoopDirective::HelperExprs B; | |||
9740 | // In presence of clause 'collapse' with number of loops, it will | |||
9741 | // define the nested loops number. | |||
9742 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9743 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
9744 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9745 | VarsWithImplicitDSA, B); | |||
9746 | ||||
9747 | if (NestedLoopCount == 0) | |||
9748 | return StmtError(); | |||
9749 | ||||
9750 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9751, __PRETTY_FUNCTION__)) | |||
9751 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9751, __PRETTY_FUNCTION__)); | |||
9752 | ||||
9753 | setFunctionHasBranchProtectedScope(); | |||
9754 | ||||
9755 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
9756 | ||||
9757 | return OMPTeamsDistributeParallelForDirective::Create( | |||
9758 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
9759 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9760 | } | |||
9761 | ||||
9762 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
9763 | Stmt *AStmt, | |||
9764 | SourceLocation StartLoc, | |||
9765 | SourceLocation EndLoc) { | |||
9766 | if (!AStmt) | |||
9767 | return StmtError(); | |||
9768 | ||||
9769 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9770 | // 1.2.2 OpenMP Language Terminology | |||
9771 | // Structured block - An executable statement with a single entry at the | |||
9772 | // top and a single exit at the bottom. | |||
9773 | // The point of exit cannot be a branch out of the structured block. | |||
9774 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9775 | CS->getCapturedDecl()->setNothrow(); | |||
9776 | ||||
9777 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | |||
9778 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9779 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9780 | // 1.2.2 OpenMP Language Terminology | |||
9781 | // Structured block - An executable statement with a single entry at the | |||
9782 | // top and a single exit at the bottom. | |||
9783 | // The point of exit cannot be a branch out of the structured block. | |||
9784 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9785 | CS->getCapturedDecl()->setNothrow(); | |||
9786 | } | |||
9787 | setFunctionHasBranchProtectedScope(); | |||
9788 | ||||
9789 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
9790 | AStmt); | |||
9791 | } | |||
9792 | ||||
9793 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | |||
9794 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9795 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9796 | if (!AStmt) | |||
9797 | return StmtError(); | |||
9798 | ||||
9799 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9800 | // 1.2.2 OpenMP Language Terminology | |||
9801 | // Structured block - An executable statement with a single entry at the | |||
9802 | // top and a single exit at the bottom. | |||
9803 | // The point of exit cannot be a branch out of the structured block. | |||
9804 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9805 | CS->getCapturedDecl()->setNothrow(); | |||
9806 | for (int ThisCaptureLevel = | |||
9807 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | |||
9808 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9809 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9810 | // 1.2.2 OpenMP Language Terminology | |||
9811 | // Structured block - An executable statement with a single entry at the | |||
9812 | // top and a single exit at the bottom. | |||
9813 | // The point of exit cannot be a branch out of the structured block. | |||
9814 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9815 | CS->getCapturedDecl()->setNothrow(); | |||
9816 | } | |||
9817 | ||||
9818 | OMPLoopDirective::HelperExprs B; | |||
9819 | // In presence of clause 'collapse' with number of loops, it will | |||
9820 | // define the nested loops number. | |||
9821 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9822 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | |||
9823 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9824 | VarsWithImplicitDSA, B); | |||
9825 | if (NestedLoopCount == 0) | |||
9826 | return StmtError(); | |||
9827 | ||||
9828 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9829, __PRETTY_FUNCTION__)) | |||
9829 | "omp target teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9829, __PRETTY_FUNCTION__)); | |||
9830 | ||||
9831 | setFunctionHasBranchProtectedScope(); | |||
9832 | return OMPTargetTeamsDistributeDirective::Create( | |||
9833 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9834 | } | |||
9835 | ||||
9836 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
9837 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9838 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9839 | if (!AStmt) | |||
9840 | return StmtError(); | |||
9841 | ||||
9842 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9843 | // 1.2.2 OpenMP Language Terminology | |||
9844 | // Structured block - An executable statement with a single entry at the | |||
9845 | // top and a single exit at the bottom. | |||
9846 | // The point of exit cannot be a branch out of the structured block. | |||
9847 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9848 | CS->getCapturedDecl()->setNothrow(); | |||
9849 | for (int ThisCaptureLevel = | |||
9850 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | |||
9851 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9852 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9853 | // 1.2.2 OpenMP Language Terminology | |||
9854 | // Structured block - An executable statement with a single entry at the | |||
9855 | // top and a single exit at the bottom. | |||
9856 | // The point of exit cannot be a branch out of the structured block. | |||
9857 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9858 | CS->getCapturedDecl()->setNothrow(); | |||
9859 | } | |||
9860 | ||||
9861 | OMPLoopDirective::HelperExprs B; | |||
9862 | // In presence of clause 'collapse' with number of loops, it will | |||
9863 | // define the nested loops number. | |||
9864 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9865 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
9866 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9867 | VarsWithImplicitDSA, B); | |||
9868 | if (NestedLoopCount == 0) | |||
9869 | return StmtError(); | |||
9870 | ||||
9871 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9872, __PRETTY_FUNCTION__)) | |||
9872 | "omp target teams distribute parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9872, __PRETTY_FUNCTION__)); | |||
9873 | ||||
9874 | if (!CurContext->isDependentContext()) { | |||
9875 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9876 | for (OMPClause *C : Clauses) { | |||
9877 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9878 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9879 | B.NumIterations, *this, CurScope, | |||
9880 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9881 | return StmtError(); | |||
9882 | } | |||
9883 | } | |||
9884 | ||||
9885 | setFunctionHasBranchProtectedScope(); | |||
9886 | return OMPTargetTeamsDistributeParallelForDirective::Create( | |||
9887 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
9888 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9889 | } | |||
9890 | ||||
9891 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
9892 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9893 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9894 | if (!AStmt) | |||
9895 | return StmtError(); | |||
9896 | ||||
9897 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9898 | // 1.2.2 OpenMP Language Terminology | |||
9899 | // Structured block - An executable statement with a single entry at the | |||
9900 | // top and a single exit at the bottom. | |||
9901 | // The point of exit cannot be a branch out of the structured block. | |||
9902 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9903 | CS->getCapturedDecl()->setNothrow(); | |||
9904 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | |||
9905 | OMPD_target_teams_distribute_parallel_for_simd); | |||
9906 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9907 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9908 | // 1.2.2 OpenMP Language Terminology | |||
9909 | // Structured block - An executable statement with a single entry at the | |||
9910 | // top and a single exit at the bottom. | |||
9911 | // The point of exit cannot be a branch out of the structured block. | |||
9912 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9913 | CS->getCapturedDecl()->setNothrow(); | |||
9914 | } | |||
9915 | ||||
9916 | OMPLoopDirective::HelperExprs B; | |||
9917 | // In presence of clause 'collapse' with number of loops, it will | |||
9918 | // define the nested loops number. | |||
9919 | unsigned NestedLoopCount = | |||
9920 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | |||
9921 | getCollapseNumberExpr(Clauses), | |||
9922 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
9923 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9924 | if (NestedLoopCount == 0) | |||
9925 | return StmtError(); | |||
9926 | ||||
9927 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9929, __PRETTY_FUNCTION__)) | |||
9928 | "omp target teams distribute parallel for simd loop exprs were not "(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9929, __PRETTY_FUNCTION__)) | |||
9929 | "built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9929, __PRETTY_FUNCTION__)); | |||
9930 | ||||
9931 | if (!CurContext->isDependentContext()) { | |||
9932 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9933 | for (OMPClause *C : Clauses) { | |||
9934 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9935 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9936 | B.NumIterations, *this, CurScope, | |||
9937 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9938 | return StmtError(); | |||
9939 | } | |||
9940 | } | |||
9941 | ||||
9942 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9943 | return StmtError(); | |||
9944 | ||||
9945 | setFunctionHasBranchProtectedScope(); | |||
9946 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | |||
9947 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
9948 | } | |||
9949 | ||||
9950 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
9951 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9952 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9953 | if (!AStmt) | |||
9954 | return StmtError(); | |||
9955 | ||||
9956 | auto *CS = cast<CapturedStmt>(AStmt); | |||
9957 | // 1.2.2 OpenMP Language Terminology | |||
9958 | // Structured block - An executable statement with a single entry at the | |||
9959 | // top and a single exit at the bottom. | |||
9960 | // The point of exit cannot be a branch out of the structured block. | |||
9961 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9962 | CS->getCapturedDecl()->setNothrow(); | |||
9963 | for (int ThisCaptureLevel = | |||
9964 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | |||
9965 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
9966 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
9967 | // 1.2.2 OpenMP Language Terminology | |||
9968 | // Structured block - An executable statement with a single entry at the | |||
9969 | // top and a single exit at the bottom. | |||
9970 | // The point of exit cannot be a branch out of the structured block. | |||
9971 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
9972 | CS->getCapturedDecl()->setNothrow(); | |||
9973 | } | |||
9974 | ||||
9975 | OMPLoopDirective::HelperExprs B; | |||
9976 | // In presence of clause 'collapse' with number of loops, it will | |||
9977 | // define the nested loops number. | |||
9978 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9979 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
9980 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9981 | VarsWithImplicitDSA, B); | |||
9982 | if (NestedLoopCount == 0) | |||
9983 | return StmtError(); | |||
9984 | ||||
9985 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9986, __PRETTY_FUNCTION__)) | |||
9986 | "omp target teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9986, __PRETTY_FUNCTION__)); | |||
9987 | ||||
9988 | if (!CurContext->isDependentContext()) { | |||
9989 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9990 | for (OMPClause *C : Clauses) { | |||
9991 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9992 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9993 | B.NumIterations, *this, CurScope, | |||
9994 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9995 | return StmtError(); | |||
9996 | } | |||
9997 | } | |||
9998 | ||||
9999 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
10000 | return StmtError(); | |||
10001 | ||||
10002 | setFunctionHasBranchProtectedScope(); | |||
10003 | return OMPTargetTeamsDistributeSimdDirective::Create( | |||
10004 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
10005 | } | |||
10006 | ||||
10007 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | |||
10008 | SourceLocation StartLoc, | |||
10009 | SourceLocation LParenLoc, | |||
10010 | SourceLocation EndLoc) { | |||
10011 | OMPClause *Res = nullptr; | |||
10012 | switch (Kind) { | |||
10013 | case OMPC_final: | |||
10014 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10015 | break; | |||
10016 | case OMPC_num_threads: | |||
10017 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10018 | break; | |||
10019 | case OMPC_safelen: | |||
10020 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10021 | break; | |||
10022 | case OMPC_simdlen: | |||
10023 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10024 | break; | |||
10025 | case OMPC_allocator: | |||
10026 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10027 | break; | |||
10028 | case OMPC_collapse: | |||
10029 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10030 | break; | |||
10031 | case OMPC_ordered: | |||
10032 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | |||
10033 | break; | |||
10034 | case OMPC_device: | |||
10035 | Res = ActOnOpenMPDeviceClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10036 | break; | |||
10037 | case OMPC_num_teams: | |||
10038 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10039 | break; | |||
10040 | case OMPC_thread_limit: | |||
10041 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10042 | break; | |||
10043 | case OMPC_priority: | |||
10044 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10045 | break; | |||
10046 | case OMPC_grainsize: | |||
10047 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10048 | break; | |||
10049 | case OMPC_num_tasks: | |||
10050 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10051 | break; | |||
10052 | case OMPC_hint: | |||
10053 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
10054 | break; | |||
10055 | case OMPC_if: | |||
10056 | case OMPC_default: | |||
10057 | case OMPC_proc_bind: | |||
10058 | case OMPC_schedule: | |||
10059 | case OMPC_private: | |||
10060 | case OMPC_firstprivate: | |||
10061 | case OMPC_lastprivate: | |||
10062 | case OMPC_shared: | |||
10063 | case OMPC_reduction: | |||
10064 | case OMPC_task_reduction: | |||
10065 | case OMPC_in_reduction: | |||
10066 | case OMPC_linear: | |||
10067 | case OMPC_aligned: | |||
10068 | case OMPC_copyin: | |||
10069 | case OMPC_copyprivate: | |||
10070 | case OMPC_nowait: | |||
10071 | case OMPC_untied: | |||
10072 | case OMPC_mergeable: | |||
10073 | case OMPC_threadprivate: | |||
10074 | case OMPC_allocate: | |||
10075 | case OMPC_flush: | |||
10076 | case OMPC_read: | |||
10077 | case OMPC_write: | |||
10078 | case OMPC_update: | |||
10079 | case OMPC_capture: | |||
10080 | case OMPC_seq_cst: | |||
10081 | case OMPC_depend: | |||
10082 | case OMPC_threads: | |||
10083 | case OMPC_simd: | |||
10084 | case OMPC_map: | |||
10085 | case OMPC_nogroup: | |||
10086 | case OMPC_dist_schedule: | |||
10087 | case OMPC_defaultmap: | |||
10088 | case OMPC_unknown: | |||
10089 | case OMPC_uniform: | |||
10090 | case OMPC_to: | |||
10091 | case OMPC_from: | |||
10092 | case OMPC_use_device_ptr: | |||
10093 | case OMPC_is_device_ptr: | |||
10094 | case OMPC_unified_address: | |||
10095 | case OMPC_unified_shared_memory: | |||
10096 | case OMPC_reverse_offload: | |||
10097 | case OMPC_dynamic_allocators: | |||
10098 | case OMPC_atomic_default_mem_order: | |||
10099 | case OMPC_device_type: | |||
10100 | case OMPC_match: | |||
10101 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10101); | |||
10102 | } | |||
10103 | return Res; | |||
10104 | } | |||
10105 | ||||
10106 | // An OpenMP directive such as 'target parallel' has two captured regions: | |||
10107 | // for the 'target' and 'parallel' respectively. This function returns | |||
10108 | // the region in which to capture expressions associated with a clause. | |||
10109 | // A return value of OMPD_unknown signifies that the expression should not | |||
10110 | // be captured. | |||
10111 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | |||
10112 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | |||
10113 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | |||
10114 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
10115 | switch (CKind) { | |||
10116 | case OMPC_if: | |||
10117 | switch (DKind) { | |||
10118 | case OMPD_target_parallel: | |||
10119 | case OMPD_target_parallel_for: | |||
10120 | case OMPD_target_parallel_for_simd: | |||
10121 | // If this clause applies to the nested 'parallel' region, capture within | |||
10122 | // the 'target' region, otherwise do not capture. | |||
10123 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
10124 | CaptureRegion = OMPD_target; | |||
10125 | break; | |||
10126 | case OMPD_target_teams_distribute_parallel_for: | |||
10127 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10128 | // If this clause applies to the nested 'parallel' region, capture within | |||
10129 | // the 'teams' region, otherwise do not capture. | |||
10130 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
10131 | CaptureRegion = OMPD_teams; | |||
10132 | break; | |||
10133 | case OMPD_teams_distribute_parallel_for: | |||
10134 | case OMPD_teams_distribute_parallel_for_simd: | |||
10135 | CaptureRegion = OMPD_teams; | |||
10136 | break; | |||
10137 | case OMPD_target_update: | |||
10138 | case OMPD_target_enter_data: | |||
10139 | case OMPD_target_exit_data: | |||
10140 | CaptureRegion = OMPD_task; | |||
10141 | break; | |||
10142 | case OMPD_cancel: | |||
10143 | case OMPD_parallel: | |||
10144 | case OMPD_parallel_sections: | |||
10145 | case OMPD_parallel_for: | |||
10146 | case OMPD_parallel_for_simd: | |||
10147 | case OMPD_target: | |||
10148 | case OMPD_target_simd: | |||
10149 | case OMPD_target_teams: | |||
10150 | case OMPD_target_teams_distribute: | |||
10151 | case OMPD_target_teams_distribute_simd: | |||
10152 | case OMPD_distribute_parallel_for: | |||
10153 | case OMPD_distribute_parallel_for_simd: | |||
10154 | case OMPD_task: | |||
10155 | case OMPD_taskloop: | |||
10156 | case OMPD_taskloop_simd: | |||
10157 | case OMPD_target_data: | |||
10158 | // Do not capture if-clause expressions. | |||
10159 | break; | |||
10160 | case OMPD_threadprivate: | |||
10161 | case OMPD_allocate: | |||
10162 | case OMPD_taskyield: | |||
10163 | case OMPD_barrier: | |||
10164 | case OMPD_taskwait: | |||
10165 | case OMPD_cancellation_point: | |||
10166 | case OMPD_flush: | |||
10167 | case OMPD_declare_reduction: | |||
10168 | case OMPD_declare_mapper: | |||
10169 | case OMPD_declare_simd: | |||
10170 | case OMPD_declare_variant: | |||
10171 | case OMPD_declare_target: | |||
10172 | case OMPD_end_declare_target: | |||
10173 | case OMPD_teams: | |||
10174 | case OMPD_simd: | |||
10175 | case OMPD_for: | |||
10176 | case OMPD_for_simd: | |||
10177 | case OMPD_sections: | |||
10178 | case OMPD_section: | |||
10179 | case OMPD_single: | |||
10180 | case OMPD_master: | |||
10181 | case OMPD_critical: | |||
10182 | case OMPD_taskgroup: | |||
10183 | case OMPD_distribute: | |||
10184 | case OMPD_ordered: | |||
10185 | case OMPD_atomic: | |||
10186 | case OMPD_distribute_simd: | |||
10187 | case OMPD_teams_distribute: | |||
10188 | case OMPD_teams_distribute_simd: | |||
10189 | case OMPD_requires: | |||
10190 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10190); | |||
10191 | case OMPD_unknown: | |||
10192 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10192); | |||
10193 | } | |||
10194 | break; | |||
10195 | case OMPC_num_threads: | |||
10196 | switch (DKind) { | |||
10197 | case OMPD_target_parallel: | |||
10198 | case OMPD_target_parallel_for: | |||
10199 | case OMPD_target_parallel_for_simd: | |||
10200 | CaptureRegion = OMPD_target; | |||
10201 | break; | |||
10202 | case OMPD_teams_distribute_parallel_for: | |||
10203 | case OMPD_teams_distribute_parallel_for_simd: | |||
10204 | case OMPD_target_teams_distribute_parallel_for: | |||
10205 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10206 | CaptureRegion = OMPD_teams; | |||
10207 | break; | |||
10208 | case OMPD_parallel: | |||
10209 | case OMPD_parallel_sections: | |||
10210 | case OMPD_parallel_for: | |||
10211 | case OMPD_parallel_for_simd: | |||
10212 | case OMPD_distribute_parallel_for: | |||
10213 | case OMPD_distribute_parallel_for_simd: | |||
10214 | // Do not capture num_threads-clause expressions. | |||
10215 | break; | |||
10216 | case OMPD_target_data: | |||
10217 | case OMPD_target_enter_data: | |||
10218 | case OMPD_target_exit_data: | |||
10219 | case OMPD_target_update: | |||
10220 | case OMPD_target: | |||
10221 | case OMPD_target_simd: | |||
10222 | case OMPD_target_teams: | |||
10223 | case OMPD_target_teams_distribute: | |||
10224 | case OMPD_target_teams_distribute_simd: | |||
10225 | case OMPD_cancel: | |||
10226 | case OMPD_task: | |||
10227 | case OMPD_taskloop: | |||
10228 | case OMPD_taskloop_simd: | |||
10229 | case OMPD_threadprivate: | |||
10230 | case OMPD_allocate: | |||
10231 | case OMPD_taskyield: | |||
10232 | case OMPD_barrier: | |||
10233 | case OMPD_taskwait: | |||
10234 | case OMPD_cancellation_point: | |||
10235 | case OMPD_flush: | |||
10236 | case OMPD_declare_reduction: | |||
10237 | case OMPD_declare_mapper: | |||
10238 | case OMPD_declare_simd: | |||
10239 | case OMPD_declare_variant: | |||
10240 | case OMPD_declare_target: | |||
10241 | case OMPD_end_declare_target: | |||
10242 | case OMPD_teams: | |||
10243 | case OMPD_simd: | |||
10244 | case OMPD_for: | |||
10245 | case OMPD_for_simd: | |||
10246 | case OMPD_sections: | |||
10247 | case OMPD_section: | |||
10248 | case OMPD_single: | |||
10249 | case OMPD_master: | |||
10250 | case OMPD_critical: | |||
10251 | case OMPD_taskgroup: | |||
10252 | case OMPD_distribute: | |||
10253 | case OMPD_ordered: | |||
10254 | case OMPD_atomic: | |||
10255 | case OMPD_distribute_simd: | |||
10256 | case OMPD_teams_distribute: | |||
10257 | case OMPD_teams_distribute_simd: | |||
10258 | case OMPD_requires: | |||
10259 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_threads-clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10259); | |||
10260 | case OMPD_unknown: | |||
10261 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10261); | |||
10262 | } | |||
10263 | break; | |||
10264 | case OMPC_num_teams: | |||
10265 | switch (DKind) { | |||
10266 | case OMPD_target_teams: | |||
10267 | case OMPD_target_teams_distribute: | |||
10268 | case OMPD_target_teams_distribute_simd: | |||
10269 | case OMPD_target_teams_distribute_parallel_for: | |||
10270 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10271 | CaptureRegion = OMPD_target; | |||
10272 | break; | |||
10273 | case OMPD_teams_distribute_parallel_for: | |||
10274 | case OMPD_teams_distribute_parallel_for_simd: | |||
10275 | case OMPD_teams: | |||
10276 | case OMPD_teams_distribute: | |||
10277 | case OMPD_teams_distribute_simd: | |||
10278 | // Do not capture num_teams-clause expressions. | |||
10279 | break; | |||
10280 | case OMPD_distribute_parallel_for: | |||
10281 | case OMPD_distribute_parallel_for_simd: | |||
10282 | case OMPD_task: | |||
10283 | case OMPD_taskloop: | |||
10284 | case OMPD_taskloop_simd: | |||
10285 | case OMPD_target_data: | |||
10286 | case OMPD_target_enter_data: | |||
10287 | case OMPD_target_exit_data: | |||
10288 | case OMPD_target_update: | |||
10289 | case OMPD_cancel: | |||
10290 | case OMPD_parallel: | |||
10291 | case OMPD_parallel_sections: | |||
10292 | case OMPD_parallel_for: | |||
10293 | case OMPD_parallel_for_simd: | |||
10294 | case OMPD_target: | |||
10295 | case OMPD_target_simd: | |||
10296 | case OMPD_target_parallel: | |||
10297 | case OMPD_target_parallel_for: | |||
10298 | case OMPD_target_parallel_for_simd: | |||
10299 | case OMPD_threadprivate: | |||
10300 | case OMPD_allocate: | |||
10301 | case OMPD_taskyield: | |||
10302 | case OMPD_barrier: | |||
10303 | case OMPD_taskwait: | |||
10304 | case OMPD_cancellation_point: | |||
10305 | case OMPD_flush: | |||
10306 | case OMPD_declare_reduction: | |||
10307 | case OMPD_declare_mapper: | |||
10308 | case OMPD_declare_simd: | |||
10309 | case OMPD_declare_variant: | |||
10310 | case OMPD_declare_target: | |||
10311 | case OMPD_end_declare_target: | |||
10312 | case OMPD_simd: | |||
10313 | case OMPD_for: | |||
10314 | case OMPD_for_simd: | |||
10315 | case OMPD_sections: | |||
10316 | case OMPD_section: | |||
10317 | case OMPD_single: | |||
10318 | case OMPD_master: | |||
10319 | case OMPD_critical: | |||
10320 | case OMPD_taskgroup: | |||
10321 | case OMPD_distribute: | |||
10322 | case OMPD_ordered: | |||
10323 | case OMPD_atomic: | |||
10324 | case OMPD_distribute_simd: | |||
10325 | case OMPD_requires: | |||
10326 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10326); | |||
10327 | case OMPD_unknown: | |||
10328 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10328); | |||
10329 | } | |||
10330 | break; | |||
10331 | case OMPC_thread_limit: | |||
10332 | switch (DKind) { | |||
10333 | case OMPD_target_teams: | |||
10334 | case OMPD_target_teams_distribute: | |||
10335 | case OMPD_target_teams_distribute_simd: | |||
10336 | case OMPD_target_teams_distribute_parallel_for: | |||
10337 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10338 | CaptureRegion = OMPD_target; | |||
10339 | break; | |||
10340 | case OMPD_teams_distribute_parallel_for: | |||
10341 | case OMPD_teams_distribute_parallel_for_simd: | |||
10342 | case OMPD_teams: | |||
10343 | case OMPD_teams_distribute: | |||
10344 | case OMPD_teams_distribute_simd: | |||
10345 | // Do not capture thread_limit-clause expressions. | |||
10346 | break; | |||
10347 | case OMPD_distribute_parallel_for: | |||
10348 | case OMPD_distribute_parallel_for_simd: | |||
10349 | case OMPD_task: | |||
10350 | case OMPD_taskloop: | |||
10351 | case OMPD_taskloop_simd: | |||
10352 | case OMPD_target_data: | |||
10353 | case OMPD_target_enter_data: | |||
10354 | case OMPD_target_exit_data: | |||
10355 | case OMPD_target_update: | |||
10356 | case OMPD_cancel: | |||
10357 | case OMPD_parallel: | |||
10358 | case OMPD_parallel_sections: | |||
10359 | case OMPD_parallel_for: | |||
10360 | case OMPD_parallel_for_simd: | |||
10361 | case OMPD_target: | |||
10362 | case OMPD_target_simd: | |||
10363 | case OMPD_target_parallel: | |||
10364 | case OMPD_target_parallel_for: | |||
10365 | case OMPD_target_parallel_for_simd: | |||
10366 | case OMPD_threadprivate: | |||
10367 | case OMPD_allocate: | |||
10368 | case OMPD_taskyield: | |||
10369 | case OMPD_barrier: | |||
10370 | case OMPD_taskwait: | |||
10371 | case OMPD_cancellation_point: | |||
10372 | case OMPD_flush: | |||
10373 | case OMPD_declare_reduction: | |||
10374 | case OMPD_declare_mapper: | |||
10375 | case OMPD_declare_simd: | |||
10376 | case OMPD_declare_variant: | |||
10377 | case OMPD_declare_target: | |||
10378 | case OMPD_end_declare_target: | |||
10379 | case OMPD_simd: | |||
10380 | case OMPD_for: | |||
10381 | case OMPD_for_simd: | |||
10382 | case OMPD_sections: | |||
10383 | case OMPD_section: | |||
10384 | case OMPD_single: | |||
10385 | case OMPD_master: | |||
10386 | case OMPD_critical: | |||
10387 | case OMPD_taskgroup: | |||
10388 | case OMPD_distribute: | |||
10389 | case OMPD_ordered: | |||
10390 | case OMPD_atomic: | |||
10391 | case OMPD_distribute_simd: | |||
10392 | case OMPD_requires: | |||
10393 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with thread_limit-clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10393); | |||
10394 | case OMPD_unknown: | |||
10395 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10395); | |||
10396 | } | |||
10397 | break; | |||
10398 | case OMPC_schedule: | |||
10399 | switch (DKind) { | |||
10400 | case OMPD_parallel_for: | |||
10401 | case OMPD_parallel_for_simd: | |||
10402 | case OMPD_distribute_parallel_for: | |||
10403 | case OMPD_distribute_parallel_for_simd: | |||
10404 | case OMPD_teams_distribute_parallel_for: | |||
10405 | case OMPD_teams_distribute_parallel_for_simd: | |||
10406 | case OMPD_target_parallel_for: | |||
10407 | case OMPD_target_parallel_for_simd: | |||
10408 | case OMPD_target_teams_distribute_parallel_for: | |||
10409 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10410 | CaptureRegion = OMPD_parallel; | |||
10411 | break; | |||
10412 | case OMPD_for: | |||
10413 | case OMPD_for_simd: | |||
10414 | // Do not capture schedule-clause expressions. | |||
10415 | break; | |||
10416 | case OMPD_task: | |||
10417 | case OMPD_taskloop: | |||
10418 | case OMPD_taskloop_simd: | |||
10419 | case OMPD_target_data: | |||
10420 | case OMPD_target_enter_data: | |||
10421 | case OMPD_target_exit_data: | |||
10422 | case OMPD_target_update: | |||
10423 | case OMPD_teams: | |||
10424 | case OMPD_teams_distribute: | |||
10425 | case OMPD_teams_distribute_simd: | |||
10426 | case OMPD_target_teams_distribute: | |||
10427 | case OMPD_target_teams_distribute_simd: | |||
10428 | case OMPD_target: | |||
10429 | case OMPD_target_simd: | |||
10430 | case OMPD_target_parallel: | |||
10431 | case OMPD_cancel: | |||
10432 | case OMPD_parallel: | |||
10433 | case OMPD_parallel_sections: | |||
10434 | case OMPD_threadprivate: | |||
10435 | case OMPD_allocate: | |||
10436 | case OMPD_taskyield: | |||
10437 | case OMPD_barrier: | |||
10438 | case OMPD_taskwait: | |||
10439 | case OMPD_cancellation_point: | |||
10440 | case OMPD_flush: | |||
10441 | case OMPD_declare_reduction: | |||
10442 | case OMPD_declare_mapper: | |||
10443 | case OMPD_declare_simd: | |||
10444 | case OMPD_declare_variant: | |||
10445 | case OMPD_declare_target: | |||
10446 | case OMPD_end_declare_target: | |||
10447 | case OMPD_simd: | |||
10448 | case OMPD_sections: | |||
10449 | case OMPD_section: | |||
10450 | case OMPD_single: | |||
10451 | case OMPD_master: | |||
10452 | case OMPD_critical: | |||
10453 | case OMPD_taskgroup: | |||
10454 | case OMPD_distribute: | |||
10455 | case OMPD_ordered: | |||
10456 | case OMPD_atomic: | |||
10457 | case OMPD_distribute_simd: | |||
10458 | case OMPD_target_teams: | |||
10459 | case OMPD_requires: | |||
10460 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10460); | |||
10461 | case OMPD_unknown: | |||
10462 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10462); | |||
10463 | } | |||
10464 | break; | |||
10465 | case OMPC_dist_schedule: | |||
10466 | switch (DKind) { | |||
10467 | case OMPD_teams_distribute_parallel_for: | |||
10468 | case OMPD_teams_distribute_parallel_for_simd: | |||
10469 | case OMPD_teams_distribute: | |||
10470 | case OMPD_teams_distribute_simd: | |||
10471 | case OMPD_target_teams_distribute_parallel_for: | |||
10472 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10473 | case OMPD_target_teams_distribute: | |||
10474 | case OMPD_target_teams_distribute_simd: | |||
10475 | CaptureRegion = OMPD_teams; | |||
10476 | break; | |||
10477 | case OMPD_distribute_parallel_for: | |||
10478 | case OMPD_distribute_parallel_for_simd: | |||
10479 | case OMPD_distribute: | |||
10480 | case OMPD_distribute_simd: | |||
10481 | // Do not capture thread_limit-clause expressions. | |||
10482 | break; | |||
10483 | case OMPD_parallel_for: | |||
10484 | case OMPD_parallel_for_simd: | |||
10485 | case OMPD_target_parallel_for_simd: | |||
10486 | case OMPD_target_parallel_for: | |||
10487 | case OMPD_task: | |||
10488 | case OMPD_taskloop: | |||
10489 | case OMPD_taskloop_simd: | |||
10490 | case OMPD_target_data: | |||
10491 | case OMPD_target_enter_data: | |||
10492 | case OMPD_target_exit_data: | |||
10493 | case OMPD_target_update: | |||
10494 | case OMPD_teams: | |||
10495 | case OMPD_target: | |||
10496 | case OMPD_target_simd: | |||
10497 | case OMPD_target_parallel: | |||
10498 | case OMPD_cancel: | |||
10499 | case OMPD_parallel: | |||
10500 | case OMPD_parallel_sections: | |||
10501 | case OMPD_threadprivate: | |||
10502 | case OMPD_allocate: | |||
10503 | case OMPD_taskyield: | |||
10504 | case OMPD_barrier: | |||
10505 | case OMPD_taskwait: | |||
10506 | case OMPD_cancellation_point: | |||
10507 | case OMPD_flush: | |||
10508 | case OMPD_declare_reduction: | |||
10509 | case OMPD_declare_mapper: | |||
10510 | case OMPD_declare_simd: | |||
10511 | case OMPD_declare_variant: | |||
10512 | case OMPD_declare_target: | |||
10513 | case OMPD_end_declare_target: | |||
10514 | case OMPD_simd: | |||
10515 | case OMPD_for: | |||
10516 | case OMPD_for_simd: | |||
10517 | case OMPD_sections: | |||
10518 | case OMPD_section: | |||
10519 | case OMPD_single: | |||
10520 | case OMPD_master: | |||
10521 | case OMPD_critical: | |||
10522 | case OMPD_taskgroup: | |||
10523 | case OMPD_ordered: | |||
10524 | case OMPD_atomic: | |||
10525 | case OMPD_target_teams: | |||
10526 | case OMPD_requires: | |||
10527 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10527); | |||
10528 | case OMPD_unknown: | |||
10529 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10529); | |||
10530 | } | |||
10531 | break; | |||
10532 | case OMPC_device: | |||
10533 | switch (DKind) { | |||
10534 | case OMPD_target_update: | |||
10535 | case OMPD_target_enter_data: | |||
10536 | case OMPD_target_exit_data: | |||
10537 | case OMPD_target: | |||
10538 | case OMPD_target_simd: | |||
10539 | case OMPD_target_teams: | |||
10540 | case OMPD_target_parallel: | |||
10541 | case OMPD_target_teams_distribute: | |||
10542 | case OMPD_target_teams_distribute_simd: | |||
10543 | case OMPD_target_parallel_for: | |||
10544 | case OMPD_target_parallel_for_simd: | |||
10545 | case OMPD_target_teams_distribute_parallel_for: | |||
10546 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
10547 | CaptureRegion = OMPD_task; | |||
10548 | break; | |||
10549 | case OMPD_target_data: | |||
10550 | // Do not capture device-clause expressions. | |||
10551 | break; | |||
10552 | case OMPD_teams_distribute_parallel_for: | |||
10553 | case OMPD_teams_distribute_parallel_for_simd: | |||
10554 | case OMPD_teams: | |||
10555 | case OMPD_teams_distribute: | |||
10556 | case OMPD_teams_distribute_simd: | |||
10557 | case OMPD_distribute_parallel_for: | |||
10558 | case OMPD_distribute_parallel_for_simd: | |||
10559 | case OMPD_task: | |||
10560 | case OMPD_taskloop: | |||
10561 | case OMPD_taskloop_simd: | |||
10562 | case OMPD_cancel: | |||
10563 | case OMPD_parallel: | |||
10564 | case OMPD_parallel_sections: | |||
10565 | case OMPD_parallel_for: | |||
10566 | case OMPD_parallel_for_simd: | |||
10567 | case OMPD_threadprivate: | |||
10568 | case OMPD_allocate: | |||
10569 | case OMPD_taskyield: | |||
10570 | case OMPD_barrier: | |||
10571 | case OMPD_taskwait: | |||
10572 | case OMPD_cancellation_point: | |||
10573 | case OMPD_flush: | |||
10574 | case OMPD_declare_reduction: | |||
10575 | case OMPD_declare_mapper: | |||
10576 | case OMPD_declare_simd: | |||
10577 | case OMPD_declare_variant: | |||
10578 | case OMPD_declare_target: | |||
10579 | case OMPD_end_declare_target: | |||
10580 | case OMPD_simd: | |||
10581 | case OMPD_for: | |||
10582 | case OMPD_for_simd: | |||
10583 | case OMPD_sections: | |||
10584 | case OMPD_section: | |||
10585 | case OMPD_single: | |||
10586 | case OMPD_master: | |||
10587 | case OMPD_critical: | |||
10588 | case OMPD_taskgroup: | |||
10589 | case OMPD_distribute: | |||
10590 | case OMPD_ordered: | |||
10591 | case OMPD_atomic: | |||
10592 | case OMPD_distribute_simd: | |||
10593 | case OMPD_requires: | |||
10594 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10594); | |||
10595 | case OMPD_unknown: | |||
10596 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10596); | |||
10597 | } | |||
10598 | break; | |||
10599 | case OMPC_firstprivate: | |||
10600 | case OMPC_lastprivate: | |||
10601 | case OMPC_reduction: | |||
10602 | case OMPC_task_reduction: | |||
10603 | case OMPC_in_reduction: | |||
10604 | case OMPC_linear: | |||
10605 | case OMPC_default: | |||
10606 | case OMPC_proc_bind: | |||
10607 | case OMPC_final: | |||
10608 | case OMPC_safelen: | |||
10609 | case OMPC_simdlen: | |||
10610 | case OMPC_allocator: | |||
10611 | case OMPC_collapse: | |||
10612 | case OMPC_private: | |||
10613 | case OMPC_shared: | |||
10614 | case OMPC_aligned: | |||
10615 | case OMPC_copyin: | |||
10616 | case OMPC_copyprivate: | |||
10617 | case OMPC_ordered: | |||
10618 | case OMPC_nowait: | |||
10619 | case OMPC_untied: | |||
10620 | case OMPC_mergeable: | |||
10621 | case OMPC_threadprivate: | |||
10622 | case OMPC_allocate: | |||
10623 | case OMPC_flush: | |||
10624 | case OMPC_read: | |||
10625 | case OMPC_write: | |||
10626 | case OMPC_update: | |||
10627 | case OMPC_capture: | |||
10628 | case OMPC_seq_cst: | |||
10629 | case OMPC_depend: | |||
10630 | case OMPC_threads: | |||
10631 | case OMPC_simd: | |||
10632 | case OMPC_map: | |||
10633 | case OMPC_priority: | |||
10634 | case OMPC_grainsize: | |||
10635 | case OMPC_nogroup: | |||
10636 | case OMPC_num_tasks: | |||
10637 | case OMPC_hint: | |||
10638 | case OMPC_defaultmap: | |||
10639 | case OMPC_unknown: | |||
10640 | case OMPC_uniform: | |||
10641 | case OMPC_to: | |||
10642 | case OMPC_from: | |||
10643 | case OMPC_use_device_ptr: | |||
10644 | case OMPC_is_device_ptr: | |||
10645 | case OMPC_unified_address: | |||
10646 | case OMPC_unified_shared_memory: | |||
10647 | case OMPC_reverse_offload: | |||
10648 | case OMPC_dynamic_allocators: | |||
10649 | case OMPC_atomic_default_mem_order: | |||
10650 | case OMPC_device_type: | |||
10651 | case OMPC_match: | |||
10652 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10652); | |||
10653 | } | |||
10654 | return CaptureRegion; | |||
10655 | } | |||
10656 | ||||
10657 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | |||
10658 | Expr *Condition, SourceLocation StartLoc, | |||
10659 | SourceLocation LParenLoc, | |||
10660 | SourceLocation NameModifierLoc, | |||
10661 | SourceLocation ColonLoc, | |||
10662 | SourceLocation EndLoc) { | |||
10663 | Expr *ValExpr = Condition; | |||
10664 | Stmt *HelperValStmt = nullptr; | |||
10665 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
10666 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
10667 | !Condition->isInstantiationDependent() && | |||
10668 | !Condition->containsUnexpandedParameterPack()) { | |||
10669 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
10670 | if (Val.isInvalid()) | |||
10671 | return nullptr; | |||
10672 | ||||
10673 | ValExpr = Val.get(); | |||
10674 | ||||
10675 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
10676 | CaptureRegion = | |||
10677 | getOpenMPCaptureRegionForClause(DKind, OMPC_if, NameModifier); | |||
10678 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
10679 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
10680 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
10681 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
10682 | HelperValStmt = buildPreInits(Context, Captures); | |||
10683 | } | |||
10684 | } | |||
10685 | ||||
10686 | return new (Context) | |||
10687 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | |||
10688 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | |||
10689 | } | |||
10690 | ||||
10691 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | |||
10692 | SourceLocation StartLoc, | |||
10693 | SourceLocation LParenLoc, | |||
10694 | SourceLocation EndLoc) { | |||
10695 | Expr *ValExpr = Condition; | |||
10696 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
10697 | !Condition->isInstantiationDependent() && | |||
10698 | !Condition->containsUnexpandedParameterPack()) { | |||
10699 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
10700 | if (Val.isInvalid()) | |||
10701 | return nullptr; | |||
10702 | ||||
10703 | ValExpr = MakeFullExpr(Val.get()).get(); | |||
10704 | } | |||
10705 | ||||
10706 | return new (Context) OMPFinalClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
10707 | } | |||
10708 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | |||
10709 | Expr *Op) { | |||
10710 | if (!Op) | |||
10711 | return ExprError(); | |||
10712 | ||||
10713 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | |||
10714 | public: | |||
10715 | IntConvertDiagnoser() | |||
10716 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | |||
10717 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | |||
10718 | QualType T) override { | |||
10719 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | |||
10720 | } | |||
10721 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | |||
10722 | QualType T) override { | |||
10723 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | |||
10724 | } | |||
10725 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | |||
10726 | QualType T, | |||
10727 | QualType ConvTy) override { | |||
10728 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | |||
10729 | } | |||
10730 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | |||
10731 | QualType ConvTy) override { | |||
10732 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
10733 | << ConvTy->isEnumeralType() << ConvTy; | |||
10734 | } | |||
10735 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | |||
10736 | QualType T) override { | |||
10737 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | |||
10738 | } | |||
10739 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | |||
10740 | QualType ConvTy) override { | |||
10741 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
10742 | << ConvTy->isEnumeralType() << ConvTy; | |||
10743 | } | |||
10744 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | |||
10745 | QualType) override { | |||
10746 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10746); | |||
10747 | } | |||
10748 | } ConvertDiagnoser; | |||
10749 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | |||
10750 | } | |||
10751 | ||||
10752 | static bool isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, | |||
10753 | OpenMPClauseKind CKind, | |||
10754 | bool StrictlyPositive) { | |||
10755 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | |||
10756 | !ValExpr->isInstantiationDependent()) { | |||
10757 | SourceLocation Loc = ValExpr->getExprLoc(); | |||
10758 | ExprResult Value = | |||
10759 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | |||
10760 | if (Value.isInvalid()) | |||
10761 | return false; | |||
10762 | ||||
10763 | ValExpr = Value.get(); | |||
10764 | // The expression must evaluate to a non-negative integer value. | |||
10765 | llvm::APSInt Result; | |||
10766 | if (ValExpr->isIntegerConstantExpr(Result, SemaRef.Context) && | |||
10767 | Result.isSigned() && | |||
10768 | !((!StrictlyPositive && Result.isNonNegative()) || | |||
10769 | (StrictlyPositive && Result.isStrictlyPositive()))) { | |||
10770 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | |||
10771 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
10772 | << ValExpr->getSourceRange(); | |||
10773 | return false; | |||
10774 | } | |||
10775 | } | |||
10776 | return true; | |||
10777 | } | |||
10778 | ||||
10779 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | |||
10780 | SourceLocation StartLoc, | |||
10781 | SourceLocation LParenLoc, | |||
10782 | SourceLocation EndLoc) { | |||
10783 | Expr *ValExpr = NumThreads; | |||
10784 | Stmt *HelperValStmt = nullptr; | |||
10785 | ||||
10786 | // OpenMP [2.5, Restrictions] | |||
10787 | // The num_threads expression must evaluate to a positive integer value. | |||
10788 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | |||
10789 | /*StrictlyPositive=*/true)) | |||
10790 | return nullptr; | |||
10791 | ||||
10792 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
10793 | OpenMPDirectiveKind CaptureRegion = | |||
10794 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads); | |||
10795 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
10796 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
10797 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
10798 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
10799 | HelperValStmt = buildPreInits(Context, Captures); | |||
10800 | } | |||
10801 | ||||
10802 | return new (Context) OMPNumThreadsClause( | |||
10803 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
10804 | } | |||
10805 | ||||
10806 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | |||
10807 | OpenMPClauseKind CKind, | |||
10808 | bool StrictlyPositive) { | |||
10809 | if (!E) | |||
10810 | return ExprError(); | |||
10811 | if (E->isValueDependent() || E->isTypeDependent() || | |||
10812 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
10813 | return E; | |||
10814 | llvm::APSInt Result; | |||
10815 | ExprResult ICE = VerifyIntegerConstantExpression(E, &Result); | |||
10816 | if (ICE.isInvalid()) | |||
10817 | return ExprError(); | |||
10818 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | |||
10819 | (!StrictlyPositive && !Result.isNonNegative())) { | |||
10820 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | |||
10821 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
10822 | << E->getSourceRange(); | |||
10823 | return ExprError(); | |||
10824 | } | |||
10825 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | |||
10826 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | |||
10827 | << E->getSourceRange(); | |||
10828 | return ExprError(); | |||
10829 | } | |||
10830 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | |||
10831 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
10832 | else if (CKind == OMPC_ordered) | |||
10833 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
10834 | return ICE; | |||
10835 | } | |||
10836 | ||||
10837 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | |||
10838 | SourceLocation LParenLoc, | |||
10839 | SourceLocation EndLoc) { | |||
10840 | // OpenMP [2.8.1, simd construct, Description] | |||
10841 | // The parameter of the safelen clause must be a constant | |||
10842 | // positive integer expression. | |||
10843 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | |||
10844 | if (Safelen.isInvalid()) | |||
10845 | return nullptr; | |||
10846 | return new (Context) | |||
10847 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | |||
10848 | } | |||
10849 | ||||
10850 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | |||
10851 | SourceLocation LParenLoc, | |||
10852 | SourceLocation EndLoc) { | |||
10853 | // OpenMP [2.8.1, simd construct, Description] | |||
10854 | // The parameter of the simdlen clause must be a constant | |||
10855 | // positive integer expression. | |||
10856 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | |||
10857 | if (Simdlen.isInvalid()) | |||
10858 | return nullptr; | |||
10859 | return new (Context) | |||
10860 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | |||
10861 | } | |||
10862 | ||||
10863 | /// Tries to find omp_allocator_handle_t type. | |||
10864 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, | |||
10865 | DSAStackTy *Stack) { | |||
10866 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); | |||
10867 | if (!OMPAllocatorHandleT.isNull()) | |||
10868 | return true; | |||
10869 | // Build the predefined allocator expressions. | |||
10870 | bool ErrorFound = false; | |||
10871 | for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; | |||
10872 | I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | |||
10873 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | |||
10874 | StringRef Allocator = | |||
10875 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | |||
10876 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); | |||
10877 | auto *VD = dyn_cast_or_null<ValueDecl>( | |||
10878 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); | |||
10879 | if (!VD) { | |||
10880 | ErrorFound = true; | |||
10881 | break; | |||
10882 | } | |||
10883 | QualType AllocatorType = | |||
10884 | VD->getType().getNonLValueExprType(S.getASTContext()); | |||
10885 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); | |||
10886 | if (!Res.isUsable()) { | |||
10887 | ErrorFound = true; | |||
10888 | break; | |||
10889 | } | |||
10890 | if (OMPAllocatorHandleT.isNull()) | |||
10891 | OMPAllocatorHandleT = AllocatorType; | |||
10892 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { | |||
10893 | ErrorFound = true; | |||
10894 | break; | |||
10895 | } | |||
10896 | Stack->setAllocator(AllocatorKind, Res.get()); | |||
10897 | } | |||
10898 | if (ErrorFound) { | |||
10899 | S.Diag(Loc, diag::err_implied_omp_allocator_handle_t_not_found); | |||
10900 | return false; | |||
10901 | } | |||
10902 | OMPAllocatorHandleT.addConst(); | |||
10903 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); | |||
10904 | return true; | |||
10905 | } | |||
10906 | ||||
10907 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, | |||
10908 | SourceLocation LParenLoc, | |||
10909 | SourceLocation EndLoc) { | |||
10910 | // OpenMP [2.11.3, allocate Directive, Description] | |||
10911 | // allocator is an expression of omp_allocator_handle_t type. | |||
10912 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
10913 | return nullptr; | |||
10914 | ||||
10915 | ExprResult Allocator = DefaultLvalueConversion(A); | |||
10916 | if (Allocator.isInvalid()) | |||
10917 | return nullptr; | |||
10918 | Allocator = PerformImplicitConversion(Allocator.get(), | |||
10919 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | |||
10920 | Sema::AA_Initializing, | |||
10921 | /*AllowExplicit=*/true); | |||
10922 | if (Allocator.isInvalid()) | |||
10923 | return nullptr; | |||
10924 | return new (Context) | |||
10925 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); | |||
10926 | } | |||
10927 | ||||
10928 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | |||
10929 | SourceLocation StartLoc, | |||
10930 | SourceLocation LParenLoc, | |||
10931 | SourceLocation EndLoc) { | |||
10932 | // OpenMP [2.7.1, loop construct, Description] | |||
10933 | // OpenMP [2.8.1, simd construct, Description] | |||
10934 | // OpenMP [2.9.6, distribute construct, Description] | |||
10935 | // The parameter of the collapse clause must be a constant | |||
10936 | // positive integer expression. | |||
10937 | ExprResult NumForLoopsResult = | |||
10938 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | |||
10939 | if (NumForLoopsResult.isInvalid()) | |||
10940 | return nullptr; | |||
10941 | return new (Context) | |||
10942 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | |||
10943 | } | |||
10944 | ||||
10945 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | |||
10946 | SourceLocation EndLoc, | |||
10947 | SourceLocation LParenLoc, | |||
10948 | Expr *NumForLoops) { | |||
10949 | // OpenMP [2.7.1, loop construct, Description] | |||
10950 | // OpenMP [2.8.1, simd construct, Description] | |||
10951 | // OpenMP [2.9.6, distribute construct, Description] | |||
10952 | // The parameter of the ordered clause must be a constant | |||
10953 | // positive integer expression if any. | |||
10954 | if (NumForLoops && LParenLoc.isValid()) { | |||
10955 | ExprResult NumForLoopsResult = | |||
10956 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | |||
10957 | if (NumForLoopsResult.isInvalid()) | |||
10958 | return nullptr; | |||
10959 | NumForLoops = NumForLoopsResult.get(); | |||
10960 | } else { | |||
10961 | NumForLoops = nullptr; | |||
10962 | } | |||
10963 | auto *Clause = OMPOrderedClause::Create( | |||
10964 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, | |||
10965 | StartLoc, LParenLoc, EndLoc); | |||
10966 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); | |||
10967 | return Clause; | |||
10968 | } | |||
10969 | ||||
10970 | OMPClause *Sema::ActOnOpenMPSimpleClause( | |||
10971 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | |||
10972 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
10973 | OMPClause *Res = nullptr; | |||
10974 | switch (Kind) { | |||
10975 | case OMPC_default: | |||
10976 | Res = | |||
10977 | ActOnOpenMPDefaultClause(static_cast<OpenMPDefaultClauseKind>(Argument), | |||
10978 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
10979 | break; | |||
10980 | case OMPC_proc_bind: | |||
10981 | Res = ActOnOpenMPProcBindClause( | |||
10982 | static_cast<OpenMPProcBindClauseKind>(Argument), ArgumentLoc, StartLoc, | |||
10983 | LParenLoc, EndLoc); | |||
10984 | break; | |||
10985 | case OMPC_atomic_default_mem_order: | |||
10986 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( | |||
10987 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), | |||
10988 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
10989 | break; | |||
10990 | case OMPC_if: | |||
10991 | case OMPC_final: | |||
10992 | case OMPC_num_threads: | |||
10993 | case OMPC_safelen: | |||
10994 | case OMPC_simdlen: | |||
10995 | case OMPC_allocator: | |||
10996 | case OMPC_collapse: | |||
10997 | case OMPC_schedule: | |||
10998 | case OMPC_private: | |||
10999 | case OMPC_firstprivate: | |||
11000 | case OMPC_lastprivate: | |||
11001 | case OMPC_shared: | |||
11002 | case OMPC_reduction: | |||
11003 | case OMPC_task_reduction: | |||
11004 | case OMPC_in_reduction: | |||
11005 | case OMPC_linear: | |||
11006 | case OMPC_aligned: | |||
11007 | case OMPC_copyin: | |||
11008 | case OMPC_copyprivate: | |||
11009 | case OMPC_ordered: | |||
11010 | case OMPC_nowait: | |||
11011 | case OMPC_untied: | |||
11012 | case OMPC_mergeable: | |||
11013 | case OMPC_threadprivate: | |||
11014 | case OMPC_allocate: | |||
11015 | case OMPC_flush: | |||
11016 | case OMPC_read: | |||
11017 | case OMPC_write: | |||
11018 | case OMPC_update: | |||
11019 | case OMPC_capture: | |||
11020 | case OMPC_seq_cst: | |||
11021 | case OMPC_depend: | |||
11022 | case OMPC_device: | |||
11023 | case OMPC_threads: | |||
11024 | case OMPC_simd: | |||
11025 | case OMPC_map: | |||
11026 | case OMPC_num_teams: | |||
11027 | case OMPC_thread_limit: | |||
11028 | case OMPC_priority: | |||
11029 | case OMPC_grainsize: | |||
11030 | case OMPC_nogroup: | |||
11031 | case OMPC_num_tasks: | |||
11032 | case OMPC_hint: | |||
11033 | case OMPC_dist_schedule: | |||
11034 | case OMPC_defaultmap: | |||
11035 | case OMPC_unknown: | |||
11036 | case OMPC_uniform: | |||
11037 | case OMPC_to: | |||
11038 | case OMPC_from: | |||
11039 | case OMPC_use_device_ptr: | |||
11040 | case OMPC_is_device_ptr: | |||
11041 | case OMPC_unified_address: | |||
11042 | case OMPC_unified_shared_memory: | |||
11043 | case OMPC_reverse_offload: | |||
11044 | case OMPC_dynamic_allocators: | |||
11045 | case OMPC_device_type: | |||
11046 | case OMPC_match: | |||
11047 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11047); | |||
11048 | } | |||
11049 | return Res; | |||
11050 | } | |||
11051 | ||||
11052 | static std::string | |||
11053 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | |||
11054 | ArrayRef<unsigned> Exclude = llvm::None) { | |||
11055 | SmallString<256> Buffer; | |||
11056 | llvm::raw_svector_ostream Out(Buffer); | |||
11057 | unsigned Bound = Last >= 2 ? Last - 2 : 0; | |||
11058 | unsigned Skipped = Exclude.size(); | |||
11059 | auto S = Exclude.begin(), E = Exclude.end(); | |||
11060 | for (unsigned I = First; I < Last; ++I) { | |||
11061 | if (std::find(S, E, I) != E) { | |||
11062 | --Skipped; | |||
11063 | continue; | |||
11064 | } | |||
11065 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; | |||
11066 | if (I == Bound - Skipped) | |||
11067 | Out << " or "; | |||
11068 | else if (I != Bound + 1 - Skipped) | |||
11069 | Out << ", "; | |||
11070 | } | |||
11071 | return Out.str(); | |||
11072 | } | |||
11073 | ||||
11074 | OMPClause *Sema::ActOnOpenMPDefaultClause(OpenMPDefaultClauseKind Kind, | |||
11075 | SourceLocation KindKwLoc, | |||
11076 | SourceLocation StartLoc, | |||
11077 | SourceLocation LParenLoc, | |||
11078 | SourceLocation EndLoc) { | |||
11079 | if (Kind == OMPC_DEFAULT_unknown) { | |||
11080 | static_assert(OMPC_DEFAULT_unknown > 0, | |||
11081 | "OMPC_DEFAULT_unknown not greater than 0"); | |||
11082 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
11083 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | |||
11084 | /*Last=*/OMPC_DEFAULT_unknown) | |||
11085 | << getOpenMPClauseName(OMPC_default); | |||
11086 | return nullptr; | |||
11087 | } | |||
11088 | switch (Kind) { | |||
11089 | case OMPC_DEFAULT_none: | |||
11090 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | |||
11091 | break; | |||
11092 | case OMPC_DEFAULT_shared: | |||
11093 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | |||
11094 | break; | |||
11095 | case OMPC_DEFAULT_unknown: | |||
11096 | llvm_unreachable("Clause kind is not allowed.")::llvm::llvm_unreachable_internal("Clause kind is not allowed." , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11096); | |||
11097 | break; | |||
11098 | } | |||
11099 | return new (Context) | |||
11100 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
11101 | } | |||
11102 | ||||
11103 | OMPClause *Sema::ActOnOpenMPProcBindClause(OpenMPProcBindClauseKind Kind, | |||
11104 | SourceLocation KindKwLoc, | |||
11105 | SourceLocation StartLoc, | |||
11106 | SourceLocation LParenLoc, | |||
11107 | SourceLocation EndLoc) { | |||
11108 | if (Kind == OMPC_PROC_BIND_unknown) { | |||
11109 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
11110 | << getListOfPossibleValues(OMPC_proc_bind, /*First=*/0, | |||
11111 | /*Last=*/OMPC_PROC_BIND_unknown) | |||
11112 | << getOpenMPClauseName(OMPC_proc_bind); | |||
11113 | return nullptr; | |||
11114 | } | |||
11115 | return new (Context) | |||
11116 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
11117 | } | |||
11118 | ||||
11119 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( | |||
11120 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, | |||
11121 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
11122 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { | |||
11123 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
11124 | << getListOfPossibleValues( | |||
11125 | OMPC_atomic_default_mem_order, /*First=*/0, | |||
11126 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) | |||
11127 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); | |||
11128 | return nullptr; | |||
11129 | } | |||
11130 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, | |||
11131 | LParenLoc, EndLoc); | |||
11132 | } | |||
11133 | ||||
11134 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | |||
11135 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | |||
11136 | SourceLocation StartLoc, SourceLocation LParenLoc, | |||
11137 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | |||
11138 | SourceLocation EndLoc) { | |||
11139 | OMPClause *Res = nullptr; | |||
11140 | switch (Kind) { | |||
11141 | case OMPC_schedule: | |||
11142 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | |||
11143 | assert(Argument.size() == NumberOfElements &&((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11144, __PRETTY_FUNCTION__)) | |||
11144 | ArgumentLoc.size() == NumberOfElements)((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11144, __PRETTY_FUNCTION__)); | |||
11145 | Res = ActOnOpenMPScheduleClause( | |||
11146 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | |||
11147 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | |||
11148 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | |||
11149 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | |||
11150 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | |||
11151 | break; | |||
11152 | case OMPC_if: | |||
11153 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((Argument.size() == 1 && ArgumentLoc.size() == 1) ? static_cast <void> (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11153, __PRETTY_FUNCTION__)); | |||
11154 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | |||
11155 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | |||
11156 | DelimLoc, EndLoc); | |||
11157 | break; | |||
11158 | case OMPC_dist_schedule: | |||
11159 | Res = ActOnOpenMPDistScheduleClause( | |||
11160 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | |||
11161 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | |||
11162 | break; | |||
11163 | case OMPC_defaultmap: | |||
11164 | enum { Modifier, DefaultmapKind }; | |||
11165 | Res = ActOnOpenMPDefaultmapClause( | |||
11166 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | |||
11167 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | |||
11168 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | |||
11169 | EndLoc); | |||
11170 | break; | |||
11171 | case OMPC_final: | |||
11172 | case OMPC_num_threads: | |||
11173 | case OMPC_safelen: | |||
11174 | case OMPC_simdlen: | |||
11175 | case OMPC_allocator: | |||
11176 | case OMPC_collapse: | |||
11177 | case OMPC_default: | |||
11178 | case OMPC_proc_bind: | |||
11179 | case OMPC_private: | |||
11180 | case OMPC_firstprivate: | |||
11181 | case OMPC_lastprivate: | |||
11182 | case OMPC_shared: | |||
11183 | case OMPC_reduction: | |||
11184 | case OMPC_task_reduction: | |||
11185 | case OMPC_in_reduction: | |||
11186 | case OMPC_linear: | |||
11187 | case OMPC_aligned: | |||
11188 | case OMPC_copyin: | |||
11189 | case OMPC_copyprivate: | |||
11190 | case OMPC_ordered: | |||
11191 | case OMPC_nowait: | |||
11192 | case OMPC_untied: | |||
11193 | case OMPC_mergeable: | |||
11194 | case OMPC_threadprivate: | |||
11195 | case OMPC_allocate: | |||
11196 | case OMPC_flush: | |||
11197 | case OMPC_read: | |||
11198 | case OMPC_write: | |||
11199 | case OMPC_update: | |||
11200 | case OMPC_capture: | |||
11201 | case OMPC_seq_cst: | |||
11202 | case OMPC_depend: | |||
11203 | case OMPC_device: | |||
11204 | case OMPC_threads: | |||
11205 | case OMPC_simd: | |||
11206 | case OMPC_map: | |||
11207 | case OMPC_num_teams: | |||
11208 | case OMPC_thread_limit: | |||
11209 | case OMPC_priority: | |||
11210 | case OMPC_grainsize: | |||
11211 | case OMPC_nogroup: | |||
11212 | case OMPC_num_tasks: | |||
11213 | case OMPC_hint: | |||
11214 | case OMPC_unknown: | |||
11215 | case OMPC_uniform: | |||
11216 | case OMPC_to: | |||
11217 | case OMPC_from: | |||
11218 | case OMPC_use_device_ptr: | |||
11219 | case OMPC_is_device_ptr: | |||
11220 | case OMPC_unified_address: | |||
11221 | case OMPC_unified_shared_memory: | |||
11222 | case OMPC_reverse_offload: | |||
11223 | case OMPC_dynamic_allocators: | |||
11224 | case OMPC_atomic_default_mem_order: | |||
11225 | case OMPC_device_type: | |||
11226 | case OMPC_match: | |||
11227 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11227); | |||
11228 | } | |||
11229 | return Res; | |||
11230 | } | |||
11231 | ||||
11232 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | |||
11233 | OpenMPScheduleClauseModifier M2, | |||
11234 | SourceLocation M1Loc, SourceLocation M2Loc) { | |||
11235 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | |||
11236 | SmallVector<unsigned, 2> Excluded; | |||
11237 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | |||
11238 | Excluded.push_back(M2); | |||
11239 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | |||
11240 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | |||
11241 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | |||
11242 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | |||
11243 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | |||
11244 | << getListOfPossibleValues(OMPC_schedule, | |||
11245 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | |||
11246 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
11247 | Excluded) | |||
11248 | << getOpenMPClauseName(OMPC_schedule); | |||
11249 | return true; | |||
11250 | } | |||
11251 | return false; | |||
11252 | } | |||
11253 | ||||
11254 | OMPClause *Sema::ActOnOpenMPScheduleClause( | |||
11255 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | |||
11256 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
11257 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | |||
11258 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | |||
11259 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | |||
11260 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | |||
11261 | return nullptr; | |||
11262 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
11263 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | |||
11264 | // but not both. | |||
11265 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | |||
11266 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | |||
11267 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | |||
11268 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | |||
11269 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | |||
11270 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | |||
11271 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | |||
11272 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | |||
11273 | return nullptr; | |||
11274 | } | |||
11275 | if (Kind == OMPC_SCHEDULE_unknown) { | |||
11276 | std::string Values; | |||
11277 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | |||
11278 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | |||
11279 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
11280 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
11281 | Exclude); | |||
11282 | } else { | |||
11283 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
11284 | /*Last=*/OMPC_SCHEDULE_unknown); | |||
11285 | } | |||
11286 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
11287 | << Values << getOpenMPClauseName(OMPC_schedule); | |||
11288 | return nullptr; | |||
11289 | } | |||
11290 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
11291 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | |||
11292 | // schedule(guided). | |||
11293 | if ((M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
11294 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
11295 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | |||
11296 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | |||
11297 | diag::err_omp_schedule_nonmonotonic_static); | |||
11298 | return nullptr; | |||
11299 | } | |||
11300 | Expr *ValExpr = ChunkSize; | |||
11301 | Stmt *HelperValStmt = nullptr; | |||
11302 | if (ChunkSize) { | |||
11303 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
11304 | !ChunkSize->isInstantiationDependent() && | |||
11305 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
11306 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | |||
11307 | ExprResult Val = | |||
11308 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
11309 | if (Val.isInvalid()) | |||
11310 | return nullptr; | |||
11311 | ||||
11312 | ValExpr = Val.get(); | |||
11313 | ||||
11314 | // OpenMP [2.7.1, Restrictions] | |||
11315 | // chunk_size must be a loop invariant integer expression with a positive | |||
11316 | // value. | |||
11317 | llvm::APSInt Result; | |||
11318 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | |||
11319 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | |||
11320 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
11321 | << "schedule" << 1 << ChunkSize->getSourceRange(); | |||
11322 | return nullptr; | |||
11323 | } | |||
11324 | } else if (getOpenMPCaptureRegionForClause( | |||
11325 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule) != | |||
11326 | OMPD_unknown && | |||
11327 | !CurContext->isDependentContext()) { | |||
11328 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
11329 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
11330 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
11331 | HelperValStmt = buildPreInits(Context, Captures); | |||
11332 | } | |||
11333 | } | |||
11334 | } | |||
11335 | ||||
11336 | return new (Context) | |||
11337 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | |||
11338 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | |||
11339 | } | |||
11340 | ||||
11341 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | |||
11342 | SourceLocation StartLoc, | |||
11343 | SourceLocation EndLoc) { | |||
11344 | OMPClause *Res = nullptr; | |||
11345 | switch (Kind) { | |||
11346 | case OMPC_ordered: | |||
11347 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | |||
11348 | break; | |||
11349 | case OMPC_nowait: | |||
11350 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | |||
11351 | break; | |||
11352 | case OMPC_untied: | |||
11353 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | |||
11354 | break; | |||
11355 | case OMPC_mergeable: | |||
11356 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | |||
11357 | break; | |||
11358 | case OMPC_read: | |||
11359 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | |||
11360 | break; | |||
11361 | case OMPC_write: | |||
11362 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | |||
11363 | break; | |||
11364 | case OMPC_update: | |||
11365 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | |||
11366 | break; | |||
11367 | case OMPC_capture: | |||
11368 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | |||
11369 | break; | |||
11370 | case OMPC_seq_cst: | |||
11371 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | |||
11372 | break; | |||
11373 | case OMPC_threads: | |||
11374 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | |||
11375 | break; | |||
11376 | case OMPC_simd: | |||
11377 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | |||
11378 | break; | |||
11379 | case OMPC_nogroup: | |||
11380 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | |||
11381 | break; | |||
11382 | case OMPC_unified_address: | |||
11383 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); | |||
11384 | break; | |||
11385 | case OMPC_unified_shared_memory: | |||
11386 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | |||
11387 | break; | |||
11388 | case OMPC_reverse_offload: | |||
11389 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); | |||
11390 | break; | |||
11391 | case OMPC_dynamic_allocators: | |||
11392 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); | |||
11393 | break; | |||
11394 | case OMPC_if: | |||
11395 | case OMPC_final: | |||
11396 | case OMPC_num_threads: | |||
11397 | case OMPC_safelen: | |||
11398 | case OMPC_simdlen: | |||
11399 | case OMPC_allocator: | |||
11400 | case OMPC_collapse: | |||
11401 | case OMPC_schedule: | |||
11402 | case OMPC_private: | |||
11403 | case OMPC_firstprivate: | |||
11404 | case OMPC_lastprivate: | |||
11405 | case OMPC_shared: | |||
11406 | case OMPC_reduction: | |||
11407 | case OMPC_task_reduction: | |||
11408 | case OMPC_in_reduction: | |||
11409 | case OMPC_linear: | |||
11410 | case OMPC_aligned: | |||
11411 | case OMPC_copyin: | |||
11412 | case OMPC_copyprivate: | |||
11413 | case OMPC_default: | |||
11414 | case OMPC_proc_bind: | |||
11415 | case OMPC_threadprivate: | |||
11416 | case OMPC_allocate: | |||
11417 | case OMPC_flush: | |||
11418 | case OMPC_depend: | |||
11419 | case OMPC_device: | |||
11420 | case OMPC_map: | |||
11421 | case OMPC_num_teams: | |||
11422 | case OMPC_thread_limit: | |||
11423 | case OMPC_priority: | |||
11424 | case OMPC_grainsize: | |||
11425 | case OMPC_num_tasks: | |||
11426 | case OMPC_hint: | |||
11427 | case OMPC_dist_schedule: | |||
11428 | case OMPC_defaultmap: | |||
11429 | case OMPC_unknown: | |||
11430 | case OMPC_uniform: | |||
11431 | case OMPC_to: | |||
11432 | case OMPC_from: | |||
11433 | case OMPC_use_device_ptr: | |||
11434 | case OMPC_is_device_ptr: | |||
11435 | case OMPC_atomic_default_mem_order: | |||
11436 | case OMPC_device_type: | |||
11437 | case OMPC_match: | |||
11438 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11438); | |||
11439 | } | |||
11440 | return Res; | |||
11441 | } | |||
11442 | ||||
11443 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | |||
11444 | SourceLocation EndLoc) { | |||
11445 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | |||
11446 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | |||
11447 | } | |||
11448 | ||||
11449 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | |||
11450 | SourceLocation EndLoc) { | |||
11451 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | |||
11452 | } | |||
11453 | ||||
11454 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | |||
11455 | SourceLocation EndLoc) { | |||
11456 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | |||
11457 | } | |||
11458 | ||||
11459 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | |||
11460 | SourceLocation EndLoc) { | |||
11461 | return new (Context) OMPReadClause(StartLoc, EndLoc); | |||
11462 | } | |||
11463 | ||||
11464 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | |||
11465 | SourceLocation EndLoc) { | |||
11466 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | |||
11467 | } | |||
11468 | ||||
11469 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | |||
11470 | SourceLocation EndLoc) { | |||
11471 | return new (Context) OMPUpdateClause(StartLoc, EndLoc); | |||
11472 | } | |||
11473 | ||||
11474 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | |||
11475 | SourceLocation EndLoc) { | |||
11476 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | |||
11477 | } | |||
11478 | ||||
11479 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | |||
11480 | SourceLocation EndLoc) { | |||
11481 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | |||
11482 | } | |||
11483 | ||||
11484 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | |||
11485 | SourceLocation EndLoc) { | |||
11486 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | |||
11487 | } | |||
11488 | ||||
11489 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | |||
11490 | SourceLocation EndLoc) { | |||
11491 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | |||
11492 | } | |||
11493 | ||||
11494 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | |||
11495 | SourceLocation EndLoc) { | |||
11496 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | |||
11497 | } | |||
11498 | ||||
11499 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, | |||
11500 | SourceLocation EndLoc) { | |||
11501 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); | |||
11502 | } | |||
11503 | ||||
11504 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, | |||
11505 | SourceLocation EndLoc) { | |||
11506 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | |||
11507 | } | |||
11508 | ||||
11509 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, | |||
11510 | SourceLocation EndLoc) { | |||
11511 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); | |||
11512 | } | |||
11513 | ||||
11514 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, | |||
11515 | SourceLocation EndLoc) { | |||
11516 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); | |||
11517 | } | |||
11518 | ||||
11519 | OMPClause *Sema::ActOnOpenMPVarListClause( | |||
11520 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *TailExpr, | |||
11521 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, | |||
11522 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, | |||
11523 | DeclarationNameInfo &ReductionOrMapperId, OpenMPDependClauseKind DepKind, | |||
11524 | OpenMPLinearClauseKind LinKind, | |||
11525 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | |||
11526 | ArrayRef<SourceLocation> MapTypeModifiersLoc, OpenMPMapClauseKind MapType, | |||
11527 | bool IsMapTypeImplicit, SourceLocation DepLinMapLoc) { | |||
11528 | SourceLocation StartLoc = Locs.StartLoc; | |||
11529 | SourceLocation LParenLoc = Locs.LParenLoc; | |||
11530 | SourceLocation EndLoc = Locs.EndLoc; | |||
11531 | OMPClause *Res = nullptr; | |||
11532 | switch (Kind) { | |||
11533 | case OMPC_private: | |||
11534 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11535 | break; | |||
11536 | case OMPC_firstprivate: | |||
11537 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11538 | break; | |||
11539 | case OMPC_lastprivate: | |||
11540 | Res = ActOnOpenMPLastprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11541 | break; | |||
11542 | case OMPC_shared: | |||
11543 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11544 | break; | |||
11545 | case OMPC_reduction: | |||
11546 | Res = ActOnOpenMPReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
11547 | EndLoc, ReductionOrMapperIdScopeSpec, | |||
11548 | ReductionOrMapperId); | |||
11549 | break; | |||
11550 | case OMPC_task_reduction: | |||
11551 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
11552 | EndLoc, ReductionOrMapperIdScopeSpec, | |||
11553 | ReductionOrMapperId); | |||
11554 | break; | |||
11555 | case OMPC_in_reduction: | |||
11556 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
11557 | EndLoc, ReductionOrMapperIdScopeSpec, | |||
11558 | ReductionOrMapperId); | |||
11559 | break; | |||
11560 | case OMPC_linear: | |||
11561 | Res = ActOnOpenMPLinearClause(VarList, TailExpr, StartLoc, LParenLoc, | |||
11562 | LinKind, DepLinMapLoc, ColonLoc, EndLoc); | |||
11563 | break; | |||
11564 | case OMPC_aligned: | |||
11565 | Res = ActOnOpenMPAlignedClause(VarList, TailExpr, StartLoc, LParenLoc, | |||
11566 | ColonLoc, EndLoc); | |||
11567 | break; | |||
11568 | case OMPC_copyin: | |||
11569 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11570 | break; | |||
11571 | case OMPC_copyprivate: | |||
11572 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11573 | break; | |||
11574 | case OMPC_flush: | |||
11575 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
11576 | break; | |||
11577 | case OMPC_depend: | |||
11578 | Res = ActOnOpenMPDependClause(DepKind, DepLinMapLoc, ColonLoc, VarList, | |||
11579 | StartLoc, LParenLoc, EndLoc); | |||
11580 | break; | |||
11581 | case OMPC_map: | |||
11582 | Res = ActOnOpenMPMapClause(MapTypeModifiers, MapTypeModifiersLoc, | |||
11583 | ReductionOrMapperIdScopeSpec, | |||
11584 | ReductionOrMapperId, MapType, IsMapTypeImplicit, | |||
11585 | DepLinMapLoc, ColonLoc, VarList, Locs); | |||
11586 | break; | |||
11587 | case OMPC_to: | |||
11588 | Res = ActOnOpenMPToClause(VarList, ReductionOrMapperIdScopeSpec, | |||
11589 | ReductionOrMapperId, Locs); | |||
11590 | break; | |||
11591 | case OMPC_from: | |||
11592 | Res = ActOnOpenMPFromClause(VarList, ReductionOrMapperIdScopeSpec, | |||
11593 | ReductionOrMapperId, Locs); | |||
11594 | break; | |||
11595 | case OMPC_use_device_ptr: | |||
11596 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); | |||
11597 | break; | |||
11598 | case OMPC_is_device_ptr: | |||
11599 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); | |||
11600 | break; | |||
11601 | case OMPC_allocate: | |||
11602 | Res = ActOnOpenMPAllocateClause(TailExpr, VarList, StartLoc, LParenLoc, | |||
11603 | ColonLoc, EndLoc); | |||
11604 | break; | |||
11605 | case OMPC_if: | |||
11606 | case OMPC_final: | |||
11607 | case OMPC_num_threads: | |||
11608 | case OMPC_safelen: | |||
11609 | case OMPC_simdlen: | |||
11610 | case OMPC_allocator: | |||
11611 | case OMPC_collapse: | |||
11612 | case OMPC_default: | |||
11613 | case OMPC_proc_bind: | |||
11614 | case OMPC_schedule: | |||
11615 | case OMPC_ordered: | |||
11616 | case OMPC_nowait: | |||
11617 | case OMPC_untied: | |||
11618 | case OMPC_mergeable: | |||
11619 | case OMPC_threadprivate: | |||
11620 | case OMPC_read: | |||
11621 | case OMPC_write: | |||
11622 | case OMPC_update: | |||
11623 | case OMPC_capture: | |||
11624 | case OMPC_seq_cst: | |||
11625 | case OMPC_device: | |||
11626 | case OMPC_threads: | |||
11627 | case OMPC_simd: | |||
11628 | case OMPC_num_teams: | |||
11629 | case OMPC_thread_limit: | |||
11630 | case OMPC_priority: | |||
11631 | case OMPC_grainsize: | |||
11632 | case OMPC_nogroup: | |||
11633 | case OMPC_num_tasks: | |||
11634 | case OMPC_hint: | |||
11635 | case OMPC_dist_schedule: | |||
11636 | case OMPC_defaultmap: | |||
11637 | case OMPC_unknown: | |||
11638 | case OMPC_uniform: | |||
11639 | case OMPC_unified_address: | |||
11640 | case OMPC_unified_shared_memory: | |||
11641 | case OMPC_reverse_offload: | |||
11642 | case OMPC_dynamic_allocators: | |||
11643 | case OMPC_atomic_default_mem_order: | |||
11644 | case OMPC_device_type: | |||
11645 | case OMPC_match: | |||
11646 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11646); | |||
11647 | } | |||
11648 | return Res; | |||
11649 | } | |||
11650 | ||||
11651 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | |||
11652 | ExprObjectKind OK, SourceLocation Loc) { | |||
11653 | ExprResult Res = BuildDeclRefExpr( | |||
11654 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | |||
11655 | if (!Res.isUsable()) | |||
11656 | return ExprError(); | |||
11657 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | |||
11658 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | |||
11659 | if (!Res.isUsable()) | |||
11660 | return ExprError(); | |||
11661 | } | |||
11662 | if (VK != VK_LValue && Res.get()->isGLValue()) { | |||
11663 | Res = DefaultLvalueConversion(Res.get()); | |||
11664 | if (!Res.isUsable()) | |||
11665 | return ExprError(); | |||
11666 | } | |||
11667 | return Res; | |||
11668 | } | |||
11669 | ||||
11670 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | |||
11671 | SourceLocation StartLoc, | |||
11672 | SourceLocation LParenLoc, | |||
11673 | SourceLocation EndLoc) { | |||
11674 | SmallVector<Expr *, 8> Vars; | |||
11675 | SmallVector<Expr *, 8> PrivateCopies; | |||
11676 | for (Expr *RefExpr : VarList) { | |||
11677 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11677, __PRETTY_FUNCTION__)); | |||
11678 | SourceLocation ELoc; | |||
11679 | SourceRange ERange; | |||
11680 | Expr *SimpleRefExpr = RefExpr; | |||
11681 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
11682 | if (Res.second) { | |||
11683 | // It will be analyzed later. | |||
11684 | Vars.push_back(RefExpr); | |||
11685 | PrivateCopies.push_back(nullptr); | |||
11686 | } | |||
11687 | ValueDecl *D = Res.first; | |||
11688 | if (!D) | |||
11689 | continue; | |||
11690 | ||||
11691 | QualType Type = D->getType(); | |||
11692 | auto *VD = dyn_cast<VarDecl>(D); | |||
11693 | ||||
11694 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
11695 | // A variable that appears in a private clause must not have an incomplete | |||
11696 | // type or a reference type. | |||
11697 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | |||
11698 | continue; | |||
11699 | Type = Type.getNonReferenceType(); | |||
11700 | ||||
11701 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
11702 | // A variable that is privatized must not have a const-qualified type | |||
11703 | // unless it is of class type with a mutable member. This restriction does | |||
11704 | // not apply to the firstprivate clause. | |||
11705 | // | |||
11706 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] | |||
11707 | // A variable that appears in a private clause must not have a | |||
11708 | // const-qualified type unless it is of class type with a mutable member. | |||
11709 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) | |||
11710 | continue; | |||
11711 | ||||
11712 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
11713 | // in a Construct] | |||
11714 | // Variables with the predetermined data-sharing attributes may not be | |||
11715 | // listed in data-sharing attributes clauses, except for the cases | |||
11716 | // listed below. For these exceptions only, listing a predetermined | |||
11717 | // variable in a data-sharing attribute clause is allowed and overrides | |||
11718 | // the variable's predetermined data-sharing attributes. | |||
11719 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
11720 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | |||
11721 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
11722 | << getOpenMPClauseName(OMPC_private); | |||
11723 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11724 | continue; | |||
11725 | } | |||
11726 | ||||
11727 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
11728 | // Variably modified types are not supported for tasks. | |||
11729 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
11730 | isOpenMPTaskingDirective(CurrDir)) { | |||
11731 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
11732 | << getOpenMPClauseName(OMPC_private) << Type | |||
11733 | << getOpenMPDirectiveName(CurrDir); | |||
11734 | bool IsDecl = | |||
11735 | !VD || | |||
11736 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
11737 | Diag(D->getLocation(), | |||
11738 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
11739 | << D; | |||
11740 | continue; | |||
11741 | } | |||
11742 | ||||
11743 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
11744 | // A list item cannot appear in both a map clause and a data-sharing | |||
11745 | // attribute clause on the same construct | |||
11746 | // | |||
11747 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
11748 | // A list item cannot appear in both a map clause and a data-sharing | |||
11749 | // attribute clause on the same construct unless the construct is a | |||
11750 | // combined construct. | |||
11751 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || | |||
11752 | CurrDir == OMPD_target) { | |||
11753 | OpenMPClauseKind ConflictKind; | |||
11754 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
11755 | VD, /*CurrentRegionOnly=*/true, | |||
11756 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
11757 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | |||
11758 | ConflictKind = WhereFoundClauseKind; | |||
11759 | return true; | |||
11760 | })) { | |||
11761 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
11762 | << getOpenMPClauseName(OMPC_private) | |||
11763 | << getOpenMPClauseName(ConflictKind) | |||
11764 | << getOpenMPDirectiveName(CurrDir); | |||
11765 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11766 | continue; | |||
11767 | } | |||
11768 | } | |||
11769 | ||||
11770 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | |||
11771 | // A variable of class type (or array thereof) that appears in a private | |||
11772 | // clause requires an accessible, unambiguous default constructor for the | |||
11773 | // class type. | |||
11774 | // Generate helper private variable and initialize it with the default | |||
11775 | // value. The address of the original variable is replaced by the address of | |||
11776 | // the new private variable in CodeGen. This new variable is not added to | |||
11777 | // IdResolver, so the code in the OpenMP region uses original variable for | |||
11778 | // proper diagnostics. | |||
11779 | Type = Type.getUnqualifiedType(); | |||
11780 | VarDecl *VDPrivate = | |||
11781 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
11782 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
11783 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
11784 | ActOnUninitializedDecl(VDPrivate); | |||
11785 | if (VDPrivate->isInvalidDecl()) | |||
11786 | continue; | |||
11787 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
11788 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
11789 | ||||
11790 | DeclRefExpr *Ref = nullptr; | |||
11791 | if (!VD && !CurContext->isDependentContext()) | |||
11792 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
11793 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | |||
11794 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
11795 | ? RefExpr->IgnoreParens() | |||
11796 | : Ref); | |||
11797 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
11798 | } | |||
11799 | ||||
11800 | if (Vars.empty()) | |||
11801 | return nullptr; | |||
11802 | ||||
11803 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
11804 | PrivateCopies); | |||
11805 | } | |||
11806 | ||||
11807 | namespace { | |||
11808 | class DiagsUninitializedSeveretyRAII { | |||
11809 | private: | |||
11810 | DiagnosticsEngine &Diags; | |||
11811 | SourceLocation SavedLoc; | |||
11812 | bool IsIgnored = false; | |||
11813 | ||||
11814 | public: | |||
11815 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | |||
11816 | bool IsIgnored) | |||
11817 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | |||
11818 | if (!IsIgnored) { | |||
11819 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | |||
11820 | /*Map*/ diag::Severity::Ignored, Loc); | |||
11821 | } | |||
11822 | } | |||
11823 | ~DiagsUninitializedSeveretyRAII() { | |||
11824 | if (!IsIgnored) | |||
11825 | Diags.popMappings(SavedLoc); | |||
11826 | } | |||
11827 | }; | |||
11828 | } | |||
11829 | ||||
11830 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | |||
11831 | SourceLocation StartLoc, | |||
11832 | SourceLocation LParenLoc, | |||
11833 | SourceLocation EndLoc) { | |||
11834 | SmallVector<Expr *, 8> Vars; | |||
11835 | SmallVector<Expr *, 8> PrivateCopies; | |||
11836 | SmallVector<Expr *, 8> Inits; | |||
11837 | SmallVector<Decl *, 4> ExprCaptures; | |||
11838 | bool IsImplicitClause = | |||
11839 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | |||
11840 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | |||
11841 | ||||
11842 | for (Expr *RefExpr : VarList) { | |||
11843 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")((RefExpr && "NULL expr in OpenMP firstprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP firstprivate clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11843, __PRETTY_FUNCTION__)); | |||
11844 | SourceLocation ELoc; | |||
11845 | SourceRange ERange; | |||
11846 | Expr *SimpleRefExpr = RefExpr; | |||
11847 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
11848 | if (Res.second) { | |||
11849 | // It will be analyzed later. | |||
11850 | Vars.push_back(RefExpr); | |||
11851 | PrivateCopies.push_back(nullptr); | |||
11852 | Inits.push_back(nullptr); | |||
11853 | } | |||
11854 | ValueDecl *D = Res.first; | |||
11855 | if (!D) | |||
11856 | continue; | |||
11857 | ||||
11858 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | |||
11859 | QualType Type = D->getType(); | |||
11860 | auto *VD = dyn_cast<VarDecl>(D); | |||
11861 | ||||
11862 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
11863 | // A variable that appears in a private clause must not have an incomplete | |||
11864 | // type or a reference type. | |||
11865 | if (RequireCompleteType(ELoc, Type, | |||
11866 | diag::err_omp_firstprivate_incomplete_type)) | |||
11867 | continue; | |||
11868 | Type = Type.getNonReferenceType(); | |||
11869 | ||||
11870 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | |||
11871 | // A variable of class type (or array thereof) that appears in a private | |||
11872 | // clause requires an accessible, unambiguous copy constructor for the | |||
11873 | // class type. | |||
11874 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
11875 | ||||
11876 | // If an implicit firstprivate variable found it was checked already. | |||
11877 | DSAStackTy::DSAVarData TopDVar; | |||
11878 | if (!IsImplicitClause) { | |||
11879 | DSAStackTy::DSAVarData DVar = | |||
11880 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
11881 | TopDVar = DVar; | |||
11882 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
11883 | bool IsConstant = ElemType.isConstant(Context); | |||
11884 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | |||
11885 | // A list item that specifies a given variable may not appear in more | |||
11886 | // than one clause on the same directive, except that a variable may be | |||
11887 | // specified in both firstprivate and lastprivate clauses. | |||
11888 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
11889 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
11890 | // both. | |||
11891 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | |||
11892 | (isOpenMPDistributeDirective(CurrDir) || | |||
11893 | DVar.CKind != OMPC_lastprivate) && | |||
11894 | DVar.RefExpr) { | |||
11895 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
11896 | << getOpenMPClauseName(DVar.CKind) | |||
11897 | << getOpenMPClauseName(OMPC_firstprivate); | |||
11898 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11899 | continue; | |||
11900 | } | |||
11901 | ||||
11902 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
11903 | // in a Construct] | |||
11904 | // Variables with the predetermined data-sharing attributes may not be | |||
11905 | // listed in data-sharing attributes clauses, except for the cases | |||
11906 | // listed below. For these exceptions only, listing a predetermined | |||
11907 | // variable in a data-sharing attribute clause is allowed and overrides | |||
11908 | // the variable's predetermined data-sharing attributes. | |||
11909 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
11910 | // in a Construct, C/C++, p.2] | |||
11911 | // Variables with const-qualified type having no mutable member may be | |||
11912 | // listed in a firstprivate clause, even if they are static data members. | |||
11913 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | |||
11914 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | |||
11915 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
11916 | << getOpenMPClauseName(DVar.CKind) | |||
11917 | << getOpenMPClauseName(OMPC_firstprivate); | |||
11918 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11919 | continue; | |||
11920 | } | |||
11921 | ||||
11922 | // OpenMP [2.9.3.4, Restrictions, p.2] | |||
11923 | // A list item that is private within a parallel region must not appear | |||
11924 | // in a firstprivate clause on a worksharing construct if any of the | |||
11925 | // worksharing regions arising from the worksharing construct ever bind | |||
11926 | // to any of the parallel regions arising from the parallel construct. | |||
11927 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
11928 | // A list item that is private within a teams region must not appear in a | |||
11929 | // firstprivate clause on a distribute construct if any of the distribute | |||
11930 | // regions arising from the distribute construct ever bind to any of the | |||
11931 | // teams regions arising from the teams construct. | |||
11932 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
11933 | // A list item that appears in a reduction clause of a teams construct | |||
11934 | // must not appear in a firstprivate clause on a distribute construct if | |||
11935 | // any of the distribute regions arising from the distribute construct | |||
11936 | // ever bind to any of the teams regions arising from the teams construct. | |||
11937 | if ((isOpenMPWorksharingDirective(CurrDir) || | |||
11938 | isOpenMPDistributeDirective(CurrDir)) && | |||
11939 | !isOpenMPParallelDirective(CurrDir) && | |||
11940 | !isOpenMPTeamsDirective(CurrDir)) { | |||
11941 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
11942 | if (DVar.CKind != OMPC_shared && | |||
11943 | (isOpenMPParallelDirective(DVar.DKind) || | |||
11944 | isOpenMPTeamsDirective(DVar.DKind) || | |||
11945 | DVar.DKind == OMPD_unknown)) { | |||
11946 | Diag(ELoc, diag::err_omp_required_access) | |||
11947 | << getOpenMPClauseName(OMPC_firstprivate) | |||
11948 | << getOpenMPClauseName(OMPC_shared); | |||
11949 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11950 | continue; | |||
11951 | } | |||
11952 | } | |||
11953 | // OpenMP [2.9.3.4, Restrictions, p.3] | |||
11954 | // A list item that appears in a reduction clause of a parallel construct | |||
11955 | // must not appear in a firstprivate clause on a worksharing or task | |||
11956 | // construct if any of the worksharing or task regions arising from the | |||
11957 | // worksharing or task construct ever bind to any of the parallel regions | |||
11958 | // arising from the parallel construct. | |||
11959 | // OpenMP [2.9.3.4, Restrictions, p.4] | |||
11960 | // A list item that appears in a reduction clause in worksharing | |||
11961 | // construct must not appear in a firstprivate clause in a task construct | |||
11962 | // encountered during execution of any of the worksharing regions arising | |||
11963 | // from the worksharing construct. | |||
11964 | if (isOpenMPTaskingDirective(CurrDir)) { | |||
11965 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | |||
11966 | D, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | |||
11967 | [](OpenMPDirectiveKind K) { | |||
11968 | return isOpenMPParallelDirective(K) || | |||
11969 | isOpenMPWorksharingDirective(K) || | |||
11970 | isOpenMPTeamsDirective(K); | |||
11971 | }, | |||
11972 | /*FromParent=*/true); | |||
11973 | if (DVar.CKind == OMPC_reduction && | |||
11974 | (isOpenMPParallelDirective(DVar.DKind) || | |||
11975 | isOpenMPWorksharingDirective(DVar.DKind) || | |||
11976 | isOpenMPTeamsDirective(DVar.DKind))) { | |||
11977 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | |||
11978 | << getOpenMPDirectiveName(DVar.DKind); | |||
11979 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11980 | continue; | |||
11981 | } | |||
11982 | } | |||
11983 | ||||
11984 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
11985 | // A list item cannot appear in both a map clause and a data-sharing | |||
11986 | // attribute clause on the same construct | |||
11987 | // | |||
11988 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
11989 | // A list item cannot appear in both a map clause and a data-sharing | |||
11990 | // attribute clause on the same construct unless the construct is a | |||
11991 | // combined construct. | |||
11992 | if ((LangOpts.OpenMP <= 45 && | |||
11993 | isOpenMPTargetExecutionDirective(CurrDir)) || | |||
11994 | CurrDir == OMPD_target) { | |||
11995 | OpenMPClauseKind ConflictKind; | |||
11996 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
11997 | VD, /*CurrentRegionOnly=*/true, | |||
11998 | [&ConflictKind]( | |||
11999 | OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
12000 | OpenMPClauseKind WhereFoundClauseKind) { | |||
12001 | ConflictKind = WhereFoundClauseKind; | |||
12002 | return true; | |||
12003 | })) { | |||
12004 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
12005 | << getOpenMPClauseName(OMPC_firstprivate) | |||
12006 | << getOpenMPClauseName(ConflictKind) | |||
12007 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
12008 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
12009 | continue; | |||
12010 | } | |||
12011 | } | |||
12012 | } | |||
12013 | ||||
12014 | // Variably modified types are not supported for tasks. | |||
12015 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
12016 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
12017 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
12018 | << getOpenMPClauseName(OMPC_firstprivate) << Type | |||
12019 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
12020 | bool IsDecl = | |||
12021 | !VD || | |||
12022 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
12023 | Diag(D->getLocation(), | |||
12024 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
12025 | << D; | |||
12026 | continue; | |||
12027 | } | |||
12028 | ||||
12029 | Type = Type.getUnqualifiedType(); | |||
12030 | VarDecl *VDPrivate = | |||
12031 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
12032 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
12033 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
12034 | // Generate helper private variable and initialize it with the value of the | |||
12035 | // original variable. The address of the original variable is replaced by | |||
12036 | // the address of the new private variable in the CodeGen. This new variable | |||
12037 | // is not added to IdResolver, so the code in the OpenMP region uses | |||
12038 | // original variable for proper diagnostics and variable capturing. | |||
12039 | Expr *VDInitRefExpr = nullptr; | |||
12040 | // For arrays generate initializer for single element and replace it by the | |||
12041 | // original array element in CodeGen. | |||
12042 | if (Type->isArrayType()) { | |||
12043 | VarDecl *VDInit = | |||
12044 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | |||
12045 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | |||
12046 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); | |||
12047 | ElemType = ElemType.getUnqualifiedType(); | |||
12048 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | |||
12049 | ".firstprivate.temp"); | |||
12050 | InitializedEntity Entity = | |||
12051 | InitializedEntity::InitializeVariable(VDInitTemp); | |||
12052 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | |||
12053 | ||||
12054 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | |||
12055 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | |||
12056 | if (Result.isInvalid()) | |||
12057 | VDPrivate->setInvalidDecl(); | |||
12058 | else | |||
12059 | VDPrivate->setInit(Result.getAs<Expr>()); | |||
12060 | // Remove temp variable declaration. | |||
12061 | Context.Deallocate(VDInitTemp); | |||
12062 | } else { | |||
12063 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | |||
12064 | ".firstprivate.temp"); | |||
12065 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | |||
12066 | RefExpr->getExprLoc()); | |||
12067 | AddInitializerToDecl(VDPrivate, | |||
12068 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
12069 | /*DirectInit=*/false); | |||
12070 | } | |||
12071 | if (VDPrivate->isInvalidDecl()) { | |||
12072 | if (IsImplicitClause) { | |||
12073 | Diag(RefExpr->getExprLoc(), | |||
12074 | diag::note_omp_task_predetermined_firstprivate_here); | |||
12075 | } | |||
12076 | continue; | |||
12077 | } | |||
12078 | CurContext->addDecl(VDPrivate); | |||
12079 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
12080 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | |||
12081 | RefExpr->getExprLoc()); | |||
12082 | DeclRefExpr *Ref = nullptr; | |||
12083 | if (!VD && !CurContext->isDependentContext()) { | |||
12084 | if (TopDVar.CKind == OMPC_lastprivate) { | |||
12085 | Ref = TopDVar.PrivateCopy; | |||
12086 | } else { | |||
12087 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
12088 | if (!isOpenMPCapturedDecl(D)) | |||
12089 | ExprCaptures.push_back(Ref->getDecl()); | |||
12090 | } | |||
12091 | } | |||
12092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
12093 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
12094 | ? RefExpr->IgnoreParens() | |||
12095 | : Ref); | |||
12096 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
12097 | Inits.push_back(VDInitRefExpr); | |||
12098 | } | |||
12099 | ||||
12100 | if (Vars.empty()) | |||
12101 | return nullptr; | |||
12102 | ||||
12103 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
12104 | Vars, PrivateCopies, Inits, | |||
12105 | buildPreInits(Context, ExprCaptures)); | |||
12106 | } | |||
12107 | ||||
12108 | OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList, | |||
12109 | SourceLocation StartLoc, | |||
12110 | SourceLocation LParenLoc, | |||
12111 | SourceLocation EndLoc) { | |||
12112 | SmallVector<Expr *, 8> Vars; | |||
12113 | SmallVector<Expr *, 8> SrcExprs; | |||
12114 | SmallVector<Expr *, 8> DstExprs; | |||
12115 | SmallVector<Expr *, 8> AssignmentOps; | |||
12116 | SmallVector<Decl *, 4> ExprCaptures; | |||
12117 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
12118 | for (Expr *RefExpr : VarList) { | |||
12119 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12119, __PRETTY_FUNCTION__)); | |||
12120 | SourceLocation ELoc; | |||
12121 | SourceRange ERange; | |||
12122 | Expr *SimpleRefExpr = RefExpr; | |||
12123 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
12124 | if (Res.second) { | |||
12125 | // It will be analyzed later. | |||
12126 | Vars.push_back(RefExpr); | |||
12127 | SrcExprs.push_back(nullptr); | |||
12128 | DstExprs.push_back(nullptr); | |||
12129 | AssignmentOps.push_back(nullptr); | |||
12130 | } | |||
12131 | ValueDecl *D = Res.first; | |||
12132 | if (!D) | |||
12133 | continue; | |||
12134 | ||||
12135 | QualType Type = D->getType(); | |||
12136 | auto *VD = dyn_cast<VarDecl>(D); | |||
12137 | ||||
12138 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | |||
12139 | // A variable that appears in a lastprivate clause must not have an | |||
12140 | // incomplete type or a reference type. | |||
12141 | if (RequireCompleteType(ELoc, Type, | |||
12142 | diag::err_omp_lastprivate_incomplete_type)) | |||
12143 | continue; | |||
12144 | Type = Type.getNonReferenceType(); | |||
12145 | ||||
12146 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
12147 | // A variable that is privatized must not have a const-qualified type | |||
12148 | // unless it is of class type with a mutable member. This restriction does | |||
12149 | // not apply to the firstprivate clause. | |||
12150 | // | |||
12151 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] | |||
12152 | // A variable that appears in a lastprivate clause must not have a | |||
12153 | // const-qualified type unless it is of class type with a mutable member. | |||
12154 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) | |||
12155 | continue; | |||
12156 | ||||
12157 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
12158 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
12159 | // in a Construct] | |||
12160 | // Variables with the predetermined data-sharing attributes may not be | |||
12161 | // listed in data-sharing attributes clauses, except for the cases | |||
12162 | // listed below. | |||
12163 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
12164 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
12165 | // both. | |||
12166 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
12167 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | |||
12168 | (isOpenMPDistributeDirective(CurrDir) || | |||
12169 | DVar.CKind != OMPC_firstprivate) && | |||
12170 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | |||
12171 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
12172 | << getOpenMPClauseName(DVar.CKind) | |||
12173 | << getOpenMPClauseName(OMPC_lastprivate); | |||
12174 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
12175 | continue; | |||
12176 | } | |||
12177 | ||||
12178 | // OpenMP [2.14.3.5, Restrictions, p.2] | |||
12179 | // A list item that is private within a parallel region, or that appears in | |||
12180 | // the reduction clause of a parallel construct, must not appear in a | |||
12181 | // lastprivate clause on a worksharing construct if any of the corresponding | |||
12182 | // worksharing regions ever binds to any of the corresponding parallel | |||
12183 | // regions. | |||
12184 | DSAStackTy::DSAVarData TopDVar = DVar; | |||
12185 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
12186 | !isOpenMPParallelDirective(CurrDir) && | |||
12187 | !isOpenMPTeamsDirective(CurrDir)) { | |||
12188 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
12189 | if (DVar.CKind != OMPC_shared) { | |||
12190 | Diag(ELoc, diag::err_omp_required_access) | |||
12191 | << getOpenMPClauseName(OMPC_lastprivate) | |||
12192 | << getOpenMPClauseName(OMPC_shared); | |||
12193 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
12194 | continue; | |||
12195 | } | |||
12196 | } | |||
12197 | ||||
12198 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | |||
12199 | // A variable of class type (or array thereof) that appears in a | |||
12200 | // lastprivate clause requires an accessible, unambiguous default | |||
12201 | // constructor for the class type, unless the list item is also specified | |||
12202 | // in a firstprivate clause. | |||
12203 | // A variable of class type (or array thereof) that appears in a | |||
12204 | // lastprivate clause requires an accessible, unambiguous copy assignment | |||
12205 | // operator for the class type. | |||
12206 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | |||
12207 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), | |||
12208 | Type.getUnqualifiedType(), ".lastprivate.src", | |||
12209 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
12210 | DeclRefExpr *PseudoSrcExpr = | |||
12211 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | |||
12212 | VarDecl *DstVD = | |||
12213 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | |||
12214 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
12215 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
12216 | // For arrays generate assignment operation for single element and replace | |||
12217 | // it by the original array element in CodeGen. | |||
12218 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | |||
12219 | PseudoDstExpr, PseudoSrcExpr); | |||
12220 | if (AssignmentOp.isInvalid()) | |||
12221 | continue; | |||
12222 | AssignmentOp = | |||
12223 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | |||
12224 | if (AssignmentOp.isInvalid()) | |||
12225 | continue; | |||
12226 | ||||
12227 | DeclRefExpr *Ref = nullptr; | |||
12228 | if (!VD && !CurContext->isDependentContext()) { | |||
12229 | if (TopDVar.CKind == OMPC_firstprivate) { | |||
12230 | Ref = TopDVar.PrivateCopy; | |||
12231 | } else { | |||
12232 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
12233 | if (!isOpenMPCapturedDecl(D)) | |||
12234 | ExprCaptures.push_back(Ref->getDecl()); | |||
12235 | } | |||
12236 | if (TopDVar.CKind == OMPC_firstprivate || | |||
12237 | (!isOpenMPCapturedDecl(D) && | |||
12238 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | |||
12239 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
12240 | if (!RefRes.isUsable()) | |||
12241 | continue; | |||
12242 | ExprResult PostUpdateRes = | |||
12243 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
12244 | RefRes.get()); | |||
12245 | if (!PostUpdateRes.isUsable()) | |||
12246 | continue; | |||
12247 | ExprPostUpdates.push_back( | |||
12248 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
12249 | } | |||
12250 | } | |||
12251 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | |||
12252 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
12253 | ? RefExpr->IgnoreParens() | |||
12254 | : Ref); | |||
12255 | SrcExprs.push_back(PseudoSrcExpr); | |||
12256 | DstExprs.push_back(PseudoDstExpr); | |||
12257 | AssignmentOps.push_back(AssignmentOp.get()); | |||
12258 | } | |||
12259 | ||||
12260 | if (Vars.empty()) | |||
12261 | return nullptr; | |||
12262 | ||||
12263 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
12264 | Vars, SrcExprs, DstExprs, AssignmentOps, | |||
12265 | buildPreInits(Context, ExprCaptures), | |||
12266 | buildPostUpdate(*this, ExprPostUpdates)); | |||
12267 | } | |||
12268 | ||||
12269 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | |||
12270 | SourceLocation StartLoc, | |||
12271 | SourceLocation LParenLoc, | |||
12272 | SourceLocation EndLoc) { | |||
12273 | SmallVector<Expr *, 8> Vars; | |||
12274 | for (Expr *RefExpr : VarList) { | |||
12275 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12275, __PRETTY_FUNCTION__)); | |||
12276 | SourceLocation ELoc; | |||
12277 | SourceRange ERange; | |||
12278 | Expr *SimpleRefExpr = RefExpr; | |||
12279 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
12280 | if (Res.second) { | |||
12281 | // It will be analyzed later. | |||
12282 | Vars.push_back(RefExpr); | |||
12283 | } | |||
12284 | ValueDecl *D = Res.first; | |||
12285 | if (!D) | |||
12286 | continue; | |||
12287 | ||||
12288 | auto *VD = dyn_cast<VarDecl>(D); | |||
12289 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
12290 | // in a Construct] | |||
12291 | // Variables with the predetermined data-sharing attributes may not be | |||
12292 | // listed in data-sharing attributes clauses, except for the cases | |||
12293 | // listed below. For these exceptions only, listing a predetermined | |||
12294 | // variable in a data-sharing attribute clause is allowed and overrides | |||
12295 | // the variable's predetermined data-sharing attributes. | |||
12296 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
12297 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | |||
12298 | DVar.RefExpr) { | |||
12299 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
12300 | << getOpenMPClauseName(OMPC_shared); | |||
12301 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
12302 | continue; | |||
12303 | } | |||
12304 | ||||
12305 | DeclRefExpr *Ref = nullptr; | |||
12306 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | |||
12307 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
12308 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | |||
12309 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | |||
12310 | ? RefExpr->IgnoreParens() | |||
12311 | : Ref); | |||
12312 | } | |||
12313 | ||||
12314 | if (Vars.empty()) | |||
12315 | return nullptr; | |||
12316 | ||||
12317 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | |||
12318 | } | |||
12319 | ||||
12320 | namespace { | |||
12321 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | |||
12322 | DSAStackTy *Stack; | |||
12323 | ||||
12324 | public: | |||
12325 | bool VisitDeclRefExpr(DeclRefExpr *E) { | |||
12326 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
12327 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
12328 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | |||
12329 | return false; | |||
12330 | if (DVar.CKind != OMPC_unknown) | |||
12331 | return true; | |||
12332 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | |||
12333 | VD, isOpenMPPrivate, [](OpenMPDirectiveKind) { return true; }, | |||
12334 | /*FromParent=*/true); | |||
12335 | return DVarPrivate.CKind != OMPC_unknown; | |||
12336 | } | |||
12337 | return false; | |||
12338 | } | |||
12339 | bool VisitStmt(Stmt *S) { | |||
12340 | for (Stmt *Child : S->children()) { | |||
12341 | if (Child && Visit(Child)) | |||
12342 | return true; | |||
12343 | } | |||
12344 | return false; | |||
12345 | } | |||
12346 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | |||
12347 | }; | |||
12348 | } // namespace | |||
12349 | ||||
12350 | namespace { | |||
12351 | // Transform MemberExpression for specified FieldDecl of current class to | |||
12352 | // DeclRefExpr to specified OMPCapturedExprDecl. | |||
12353 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | |||
12354 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | |||
12355 | ValueDecl *Field = nullptr; | |||
12356 | DeclRefExpr *CapturedExpr = nullptr; | |||
12357 | ||||
12358 | public: | |||
12359 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | |||
12360 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | |||
12361 | ||||
12362 | ExprResult TransformMemberExpr(MemberExpr *E) { | |||
12363 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | |||
12364 | E->getMemberDecl() == Field) { | |||
12365 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | |||
12366 | return CapturedExpr; | |||
12367 | } | |||
12368 | return BaseTransform::TransformMemberExpr(E); | |||
12369 | } | |||
12370 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | |||
12371 | }; | |||
12372 | } // namespace | |||
12373 | ||||
12374 | template <typename T, typename U> | |||
12375 | static T filterLookupForUDReductionAndMapper( | |||
12376 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { | |||
12377 | for (U &Set : Lookups) { | |||
12378 | for (auto *D : Set) { | |||
12379 | if (T Res = Gen(cast<ValueDecl>(D))) | |||
12380 | return Res; | |||
12381 | } | |||
12382 | } | |||
12383 | return T(); | |||
12384 | } | |||
12385 | ||||
12386 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { | |||
12387 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")((!LookupResult::isVisible(SemaRef, D) && "not in slow case" ) ? static_cast<void> (0) : __assert_fail ("!LookupResult::isVisible(SemaRef, D) && \"not in slow case\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12387, __PRETTY_FUNCTION__)); | |||
12388 | ||||
12389 | for (auto RD : D->redecls()) { | |||
12390 | // Don't bother with extra checks if we already know this one isn't visible. | |||
12391 | if (RD == D) | |||
12392 | continue; | |||
12393 | ||||
12394 | auto ND = cast<NamedDecl>(RD); | |||
12395 | if (LookupResult::isVisible(SemaRef, ND)) | |||
12396 | return ND; | |||
12397 | } | |||
12398 | ||||
12399 | return nullptr; | |||
12400 | } | |||
12401 | ||||
12402 | static void | |||
12403 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, | |||
12404 | SourceLocation Loc, QualType Ty, | |||
12405 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { | |||
12406 | // Find all of the associated namespaces and classes based on the | |||
12407 | // arguments we have. | |||
12408 | Sema::AssociatedNamespaceSet AssociatedNamespaces; | |||
12409 | Sema::AssociatedClassSet AssociatedClasses; | |||
12410 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); | |||
12411 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, | |||
12412 | AssociatedClasses); | |||
12413 | ||||
12414 | // C++ [basic.lookup.argdep]p3: | |||
12415 | // Let X be the lookup set produced by unqualified lookup (3.4.1) | |||
12416 | // and let Y be the lookup set produced by argument dependent | |||
12417 | // lookup (defined as follows). If X contains [...] then Y is | |||
12418 | // empty. Otherwise Y is the set of declarations found in the | |||
12419 | // namespaces associated with the argument types as described | |||
12420 | // below. The set of declarations found by the lookup of the name | |||
12421 | // is the union of X and Y. | |||
12422 | // | |||
12423 | // Here, we compute Y and add its members to the overloaded | |||
12424 | // candidate set. | |||
12425 | for (auto *NS : AssociatedNamespaces) { | |||
12426 | // When considering an associated namespace, the lookup is the | |||
12427 | // same as the lookup performed when the associated namespace is | |||
12428 | // used as a qualifier (3.4.3.2) except that: | |||
12429 | // | |||
12430 | // -- Any using-directives in the associated namespace are | |||
12431 | // ignored. | |||
12432 | // | |||
12433 | // -- Any namespace-scope friend functions declared in | |||
12434 | // associated classes are visible within their respective | |||
12435 | // namespaces even if they are not visible during an ordinary | |||
12436 | // lookup (11.4). | |||
12437 | DeclContext::lookup_result R = NS->lookup(Id.getName()); | |||
12438 | for (auto *D : R) { | |||
12439 | auto *Underlying = D; | |||
12440 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | |||
12441 | Underlying = USD->getTargetDecl(); | |||
12442 | ||||
12443 | if (!isa<OMPDeclareReductionDecl>(Underlying) && | |||
12444 | !isa<OMPDeclareMapperDecl>(Underlying)) | |||
12445 | continue; | |||
12446 | ||||
12447 | if (!SemaRef.isVisible(D)) { | |||
12448 | D = findAcceptableDecl(SemaRef, D); | |||
12449 | if (!D) | |||
12450 | continue; | |||
12451 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | |||
12452 | Underlying = USD->getTargetDecl(); | |||
12453 | } | |||
12454 | Lookups.emplace_back(); | |||
12455 | Lookups.back().addDecl(Underlying); | |||
12456 | } | |||
12457 | } | |||
12458 | } | |||
12459 | ||||
12460 | static ExprResult | |||
12461 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | |||
12462 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | |||
12463 | const DeclarationNameInfo &ReductionId, QualType Ty, | |||
12464 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | |||
12465 | if (ReductionIdScopeSpec.isInvalid()) | |||
12466 | return ExprError(); | |||
12467 | SmallVector<UnresolvedSet<8>, 4> Lookups; | |||
12468 | if (S) { | |||
12469 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | |||
12470 | Lookup.suppressDiagnostics(); | |||
12471 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | |||
12472 | NamedDecl *D = Lookup.getRepresentativeDecl(); | |||
12473 | do { | |||
12474 | S = S->getParent(); | |||
12475 | } while (S && !S->isDeclScope(D)); | |||
12476 | if (S) | |||
12477 | S = S->getParent(); | |||
12478 | Lookups.emplace_back(); | |||
12479 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
12480 | Lookup.clear(); | |||
12481 | } | |||
12482 | } else if (auto *ULE = | |||
12483 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | |||
12484 | Lookups.push_back(UnresolvedSet<8>()); | |||
12485 | Decl *PrevD = nullptr; | |||
12486 | for (NamedDecl *D : ULE->decls()) { | |||
12487 | if (D == PrevD) | |||
12488 | Lookups.push_back(UnresolvedSet<8>()); | |||
12489 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) | |||
12490 | Lookups.back().addDecl(DRD); | |||
12491 | PrevD = D; | |||
12492 | } | |||
12493 | } | |||
12494 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | |||
12495 | Ty->isInstantiationDependentType() || | |||
12496 | Ty->containsUnexpandedParameterPack() || | |||
12497 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | |||
12498 | return !D->isInvalidDecl() && | |||
12499 | (D->getType()->isDependentType() || | |||
12500 | D->getType()->isInstantiationDependentType() || | |||
12501 | D->getType()->containsUnexpandedParameterPack()); | |||
12502 | })) { | |||
12503 | UnresolvedSet<8> ResSet; | |||
12504 | for (const UnresolvedSet<8> &Set : Lookups) { | |||
12505 | if (Set.empty()) | |||
12506 | continue; | |||
12507 | ResSet.append(Set.begin(), Set.end()); | |||
12508 | // The last item marks the end of all declarations at the specified scope. | |||
12509 | ResSet.addDecl(Set[Set.size() - 1]); | |||
12510 | } | |||
12511 | return UnresolvedLookupExpr::Create( | |||
12512 | SemaRef.Context, /*NamingClass=*/nullptr, | |||
12513 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | |||
12514 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | |||
12515 | } | |||
12516 | // Lookup inside the classes. | |||
12517 | // C++ [over.match.oper]p3: | |||
12518 | // For a unary operator @ with an operand of a type whose | |||
12519 | // cv-unqualified version is T1, and for a binary operator @ with | |||
12520 | // a left operand of a type whose cv-unqualified version is T1 and | |||
12521 | // a right operand of a type whose cv-unqualified version is T2, | |||
12522 | // three sets of candidate functions, designated member | |||
12523 | // candidates, non-member candidates and built-in candidates, are | |||
12524 | // constructed as follows: | |||
12525 | // -- If T1 is a complete class type or a class currently being | |||
12526 | // defined, the set of member candidates is the result of the | |||
12527 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, | |||
12528 | // the set of member candidates is empty. | |||
12529 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | |||
12530 | Lookup.suppressDiagnostics(); | |||
12531 | if (const auto *TyRec = Ty->getAs<RecordType>()) { | |||
12532 | // Complete the type if it can be completed. | |||
12533 | // If the type is neither complete nor being defined, bail out now. | |||
12534 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || | |||
12535 | TyRec->getDecl()->getDefinition()) { | |||
12536 | Lookup.clear(); | |||
12537 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); | |||
12538 | if (Lookup.empty()) { | |||
12539 | Lookups.emplace_back(); | |||
12540 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
12541 | } | |||
12542 | } | |||
12543 | } | |||
12544 | // Perform ADL. | |||
12545 | if (SemaRef.getLangOpts().CPlusPlus) | |||
12546 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); | |||
12547 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
12548 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | |||
12549 | if (!D->isInvalidDecl() && | |||
12550 | SemaRef.Context.hasSameType(D->getType(), Ty)) | |||
12551 | return D; | |||
12552 | return nullptr; | |||
12553 | })) | |||
12554 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), | |||
12555 | VK_LValue, Loc); | |||
12556 | if (SemaRef.getLangOpts().CPlusPlus) { | |||
12557 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
12558 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | |||
12559 | if (!D->isInvalidDecl() && | |||
12560 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | |||
12561 | !Ty.isMoreQualifiedThan(D->getType())) | |||
12562 | return D; | |||
12563 | return nullptr; | |||
12564 | })) { | |||
12565 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | |||
12566 | /*DetectVirtual=*/false); | |||
12567 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | |||
12568 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | |||
12569 | VD->getType().getUnqualifiedType()))) { | |||
12570 | if (SemaRef.CheckBaseClassAccess( | |||
12571 | Loc, VD->getType(), Ty, Paths.front(), | |||
12572 | /*DiagID=*/0) != Sema::AR_inaccessible) { | |||
12573 | SemaRef.BuildBasePathArray(Paths, BasePath); | |||
12574 | return SemaRef.BuildDeclRefExpr( | |||
12575 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); | |||
12576 | } | |||
12577 | } | |||
12578 | } | |||
12579 | } | |||
12580 | } | |||
12581 | if (ReductionIdScopeSpec.isSet()) { | |||
12582 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) << Range; | |||
12583 | return ExprError(); | |||
12584 | } | |||
12585 | return ExprEmpty(); | |||
12586 | } | |||
12587 | ||||
12588 | namespace { | |||
12589 | /// Data for the reduction-based clauses. | |||
12590 | struct ReductionData { | |||
12591 | /// List of original reduction items. | |||
12592 | SmallVector<Expr *, 8> Vars; | |||
12593 | /// List of private copies of the reduction items. | |||
12594 | SmallVector<Expr *, 8> Privates; | |||
12595 | /// LHS expressions for the reduction_op expressions. | |||
12596 | SmallVector<Expr *, 8> LHSs; | |||
12597 | /// RHS expressions for the reduction_op expressions. | |||
12598 | SmallVector<Expr *, 8> RHSs; | |||
12599 | /// Reduction operation expression. | |||
12600 | SmallVector<Expr *, 8> ReductionOps; | |||
12601 | /// Taskgroup descriptors for the corresponding reduction items in | |||
12602 | /// in_reduction clauses. | |||
12603 | SmallVector<Expr *, 8> TaskgroupDescriptors; | |||
12604 | /// List of captures for clause. | |||
12605 | SmallVector<Decl *, 4> ExprCaptures; | |||
12606 | /// List of postupdate expressions. | |||
12607 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
12608 | ReductionData() = delete; | |||
12609 | /// Reserves required memory for the reduction data. | |||
12610 | ReductionData(unsigned Size) { | |||
12611 | Vars.reserve(Size); | |||
12612 | Privates.reserve(Size); | |||
12613 | LHSs.reserve(Size); | |||
12614 | RHSs.reserve(Size); | |||
12615 | ReductionOps.reserve(Size); | |||
12616 | TaskgroupDescriptors.reserve(Size); | |||
12617 | ExprCaptures.reserve(Size); | |||
12618 | ExprPostUpdates.reserve(Size); | |||
12619 | } | |||
12620 | /// Stores reduction item and reduction operation only (required for dependent | |||
12621 | /// reduction item). | |||
12622 | void push(Expr *Item, Expr *ReductionOp) { | |||
12623 | Vars.emplace_back(Item); | |||
12624 | Privates.emplace_back(nullptr); | |||
12625 | LHSs.emplace_back(nullptr); | |||
12626 | RHSs.emplace_back(nullptr); | |||
12627 | ReductionOps.emplace_back(ReductionOp); | |||
12628 | TaskgroupDescriptors.emplace_back(nullptr); | |||
12629 | } | |||
12630 | /// Stores reduction data. | |||
12631 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | |||
12632 | Expr *TaskgroupDescriptor) { | |||
12633 | Vars.emplace_back(Item); | |||
12634 | Privates.emplace_back(Private); | |||
12635 | LHSs.emplace_back(LHS); | |||
12636 | RHSs.emplace_back(RHS); | |||
12637 | ReductionOps.emplace_back(ReductionOp); | |||
12638 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | |||
12639 | } | |||
12640 | }; | |||
12641 | } // namespace | |||
12642 | ||||
12643 | static bool checkOMPArraySectionConstantForReduction( | |||
12644 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | |||
12645 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | |||
12646 | const Expr *Length = OASE->getLength(); | |||
12647 | if (Length == nullptr) { | |||
12648 | // For array sections of the form [1:] or [:], we would need to analyze | |||
12649 | // the lower bound... | |||
12650 | if (OASE->getColonLoc().isValid()) | |||
12651 | return false; | |||
12652 | ||||
12653 | // This is an array subscript which has implicit length 1! | |||
12654 | SingleElement = true; | |||
12655 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
12656 | } else { | |||
12657 | Expr::EvalResult Result; | |||
12658 | if (!Length->EvaluateAsInt(Result, Context)) | |||
12659 | return false; | |||
12660 | ||||
12661 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | |||
12662 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | |||
12663 | ArraySizes.push_back(ConstantLengthValue); | |||
12664 | } | |||
12665 | ||||
12666 | // Get the base of this array section and walk up from there. | |||
12667 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
12668 | ||||
12669 | // We require length = 1 for all array sections except the right-most to | |||
12670 | // guarantee that the memory region is contiguous and has no holes in it. | |||
12671 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | |||
12672 | Length = TempOASE->getLength(); | |||
12673 | if (Length == nullptr) { | |||
12674 | // For array sections of the form [1:] or [:], we would need to analyze | |||
12675 | // the lower bound... | |||
12676 | if (OASE->getColonLoc().isValid()) | |||
12677 | return false; | |||
12678 | ||||
12679 | // This is an array subscript which has implicit length 1! | |||
12680 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
12681 | } else { | |||
12682 | Expr::EvalResult Result; | |||
12683 | if (!Length->EvaluateAsInt(Result, Context)) | |||
12684 | return false; | |||
12685 | ||||
12686 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | |||
12687 | if (ConstantLengthValue.getSExtValue() != 1) | |||
12688 | return false; | |||
12689 | ||||
12690 | ArraySizes.push_back(ConstantLengthValue); | |||
12691 | } | |||
12692 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
12693 | } | |||
12694 | ||||
12695 | // If we have a single element, we don't need to add the implicit lengths. | |||
12696 | if (!SingleElement) { | |||
12697 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | |||
12698 | // Has implicit length 1! | |||
12699 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
12700 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
12701 | } | |||
12702 | } | |||
12703 | ||||
12704 | // This array section can be privatized as a single value or as a constant | |||
12705 | // sized array. | |||
12706 | return true; | |||
12707 | } | |||
12708 | ||||
12709 | static bool actOnOMPReductionKindClause( | |||
12710 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | |||
12711 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
12712 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
12713 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
12714 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | |||
12715 | DeclarationName DN = ReductionId.getName(); | |||
12716 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); | |||
12717 | BinaryOperatorKind BOK = BO_Comma; | |||
12718 | ||||
12719 | ASTContext &Context = S.Context; | |||
12720 | // OpenMP [2.14.3.6, reduction clause] | |||
12721 | // C | |||
12722 | // reduction-identifier is either an identifier or one of the following | |||
12723 | // operators: +, -, *, &, |, ^, && and || | |||
12724 | // C++ | |||
12725 | // reduction-identifier is either an id-expression or one of the following | |||
12726 | // operators: +, -, *, &, |, ^, && and || | |||
12727 | switch (OOK) { | |||
12728 | case OO_Plus: | |||
12729 | case OO_Minus: | |||
12730 | BOK = BO_Add; | |||
12731 | break; | |||
12732 | case OO_Star: | |||
12733 | BOK = BO_Mul; | |||
12734 | break; | |||
12735 | case OO_Amp: | |||
12736 | BOK = BO_And; | |||
12737 | break; | |||
12738 | case OO_Pipe: | |||
12739 | BOK = BO_Or; | |||
12740 | break; | |||
12741 | case OO_Caret: | |||
12742 | BOK = BO_Xor; | |||
12743 | break; | |||
12744 | case OO_AmpAmp: | |||
12745 | BOK = BO_LAnd; | |||
12746 | break; | |||
12747 | case OO_PipePipe: | |||
12748 | BOK = BO_LOr; | |||
12749 | break; | |||
12750 | case OO_New: | |||
12751 | case OO_Delete: | |||
12752 | case OO_Array_New: | |||
12753 | case OO_Array_Delete: | |||
12754 | case OO_Slash: | |||
12755 | case OO_Percent: | |||
12756 | case OO_Tilde: | |||
12757 | case OO_Exclaim: | |||
12758 | case OO_Equal: | |||
12759 | case OO_Less: | |||
12760 | case OO_Greater: | |||
12761 | case OO_LessEqual: | |||
12762 | case OO_GreaterEqual: | |||
12763 | case OO_PlusEqual: | |||
12764 | case OO_MinusEqual: | |||
12765 | case OO_StarEqual: | |||
12766 | case OO_SlashEqual: | |||
12767 | case OO_PercentEqual: | |||
12768 | case OO_CaretEqual: | |||
12769 | case OO_AmpEqual: | |||
12770 | case OO_PipeEqual: | |||
12771 | case OO_LessLess: | |||
12772 | case OO_GreaterGreater: | |||
12773 | case OO_LessLessEqual: | |||
12774 | case OO_GreaterGreaterEqual: | |||
12775 | case OO_EqualEqual: | |||
12776 | case OO_ExclaimEqual: | |||
12777 | case OO_Spaceship: | |||
12778 | case OO_PlusPlus: | |||
12779 | case OO_MinusMinus: | |||
12780 | case OO_Comma: | |||
12781 | case OO_ArrowStar: | |||
12782 | case OO_Arrow: | |||
12783 | case OO_Call: | |||
12784 | case OO_Subscript: | |||
12785 | case OO_Conditional: | |||
12786 | case OO_Coawait: | |||
12787 | case NUM_OVERLOADED_OPERATORS: | |||
12788 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12788); | |||
12789 | case OO_None: | |||
12790 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { | |||
12791 | if (II->isStr("max")) | |||
12792 | BOK = BO_GT; | |||
12793 | else if (II->isStr("min")) | |||
12794 | BOK = BO_LT; | |||
12795 | } | |||
12796 | break; | |||
12797 | } | |||
12798 | SourceRange ReductionIdRange; | |||
12799 | if (ReductionIdScopeSpec.isValid()) | |||
12800 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | |||
12801 | else | |||
12802 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | |||
12803 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | |||
12804 | ||||
12805 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | |||
12806 | bool FirstIter = true; | |||
12807 | for (Expr *RefExpr : VarList) { | |||
12808 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")((RefExpr && "nullptr expr in OpenMP reduction clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"nullptr expr in OpenMP reduction clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12808, __PRETTY_FUNCTION__)); | |||
12809 | // OpenMP [2.1, C/C++] | |||
12810 | // A list item is a variable or array section, subject to the restrictions | |||
12811 | // specified in Section 2.4 on page 42 and in each of the sections | |||
12812 | // describing clauses and directives for which a list appears. | |||
12813 | // OpenMP [2.14.3.3, Restrictions, p.1] | |||
12814 | // A variable that is part of another variable (as an array or | |||
12815 | // structure element) cannot appear in a private clause. | |||
12816 | if (!FirstIter && IR != ER) | |||
12817 | ++IR; | |||
12818 | FirstIter = false; | |||
12819 | SourceLocation ELoc; | |||
12820 | SourceRange ERange; | |||
12821 | Expr *SimpleRefExpr = RefExpr; | |||
12822 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
12823 | /*AllowArraySection=*/true); | |||
12824 | if (Res.second) { | |||
12825 | // Try to find 'declare reduction' corresponding construct before using | |||
12826 | // builtin/overloaded operators. | |||
12827 | QualType Type = Context.DependentTy; | |||
12828 | CXXCastPath BasePath; | |||
12829 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
12830 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
12831 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
12832 | Expr *ReductionOp = nullptr; | |||
12833 | if (S.CurContext->isDependentContext() && | |||
12834 | (DeclareReductionRef.isUnset() || | |||
12835 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | |||
12836 | ReductionOp = DeclareReductionRef.get(); | |||
12837 | // It will be analyzed later. | |||
12838 | RD.push(RefExpr, ReductionOp); | |||
12839 | } | |||
12840 | ValueDecl *D = Res.first; | |||
12841 | if (!D) | |||
12842 | continue; | |||
12843 | ||||
12844 | Expr *TaskgroupDescriptor = nullptr; | |||
12845 | QualType Type; | |||
12846 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | |||
12847 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | |||
12848 | if (ASE) { | |||
12849 | Type = ASE->getType().getNonReferenceType(); | |||
12850 | } else if (OASE) { | |||
12851 | QualType BaseType = | |||
12852 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
12853 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
12854 | Type = ATy->getElementType(); | |||
12855 | else | |||
12856 | Type = BaseType->getPointeeType(); | |||
12857 | Type = Type.getNonReferenceType(); | |||
12858 | } else { | |||
12859 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | |||
12860 | } | |||
12861 | auto *VD = dyn_cast<VarDecl>(D); | |||
12862 | ||||
12863 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
12864 | // A variable that appears in a private clause must not have an incomplete | |||
12865 | // type or a reference type. | |||
12866 | if (S.RequireCompleteType(ELoc, D->getType(), | |||
12867 | diag::err_omp_reduction_incomplete_type)) | |||
12868 | continue; | |||
12869 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
12870 | // A list item that appears in a reduction clause must not be | |||
12871 | // const-qualified. | |||
12872 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, | |||
12873 | /*AcceptIfMutable*/ false, ASE || OASE)) | |||
12874 | continue; | |||
12875 | ||||
12876 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | |||
12877 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | |||
12878 | // If a list-item is a reference type then it must bind to the same object | |||
12879 | // for all threads of the team. | |||
12880 | if (!ASE && !OASE) { | |||
12881 | if (VD) { | |||
12882 | VarDecl *VDDef = VD->getDefinition(); | |||
12883 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | |||
12884 | DSARefChecker Check(Stack); | |||
12885 | if (Check.Visit(VDDef->getInit())) { | |||
12886 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | |||
12887 | << getOpenMPClauseName(ClauseKind) << ERange; | |||
12888 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | |||
12889 | continue; | |||
12890 | } | |||
12891 | } | |||
12892 | } | |||
12893 | ||||
12894 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
12895 | // in a Construct] | |||
12896 | // Variables with the predetermined data-sharing attributes may not be | |||
12897 | // listed in data-sharing attributes clauses, except for the cases | |||
12898 | // listed below. For these exceptions only, listing a predetermined | |||
12899 | // variable in a data-sharing attribute clause is allowed and overrides | |||
12900 | // the variable's predetermined data-sharing attributes. | |||
12901 | // OpenMP [2.14.3.6, Restrictions, p.3] | |||
12902 | // Any number of reduction clauses can be specified on the directive, | |||
12903 | // but a list item can appear only once in the reduction clauses for that | |||
12904 | // directive. | |||
12905 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | |||
12906 | if (DVar.CKind == OMPC_reduction) { | |||
12907 | S.Diag(ELoc, diag::err_omp_once_referenced) | |||
12908 | << getOpenMPClauseName(ClauseKind); | |||
12909 | if (DVar.RefExpr) | |||
12910 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | |||
12911 | continue; | |||
12912 | } | |||
12913 | if (DVar.CKind != OMPC_unknown) { | |||
12914 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | |||
12915 | << getOpenMPClauseName(DVar.CKind) | |||
12916 | << getOpenMPClauseName(OMPC_reduction); | |||
12917 | reportOriginalDsa(S, Stack, D, DVar); | |||
12918 | continue; | |||
12919 | } | |||
12920 | ||||
12921 | // OpenMP [2.14.3.6, Restrictions, p.1] | |||
12922 | // A list item that appears in a reduction clause of a worksharing | |||
12923 | // construct must be shared in the parallel regions to which any of the | |||
12924 | // worksharing regions arising from the worksharing construct bind. | |||
12925 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
12926 | !isOpenMPParallelDirective(CurrDir) && | |||
12927 | !isOpenMPTeamsDirective(CurrDir)) { | |||
12928 | DVar = Stack->getImplicitDSA(D, true); | |||
12929 | if (DVar.CKind != OMPC_shared) { | |||
12930 | S.Diag(ELoc, diag::err_omp_required_access) | |||
12931 | << getOpenMPClauseName(OMPC_reduction) | |||
12932 | << getOpenMPClauseName(OMPC_shared); | |||
12933 | reportOriginalDsa(S, Stack, D, DVar); | |||
12934 | continue; | |||
12935 | } | |||
12936 | } | |||
12937 | } | |||
12938 | ||||
12939 | // Try to find 'declare reduction' corresponding construct before using | |||
12940 | // builtin/overloaded operators. | |||
12941 | CXXCastPath BasePath; | |||
12942 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
12943 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
12944 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
12945 | if (DeclareReductionRef.isInvalid()) | |||
12946 | continue; | |||
12947 | if (S.CurContext->isDependentContext() && | |||
12948 | (DeclareReductionRef.isUnset() || | |||
12949 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | |||
12950 | RD.push(RefExpr, DeclareReductionRef.get()); | |||
12951 | continue; | |||
12952 | } | |||
12953 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { | |||
12954 | // Not allowed reduction identifier is found. | |||
12955 | S.Diag(ReductionId.getBeginLoc(), | |||
12956 | diag::err_omp_unknown_reduction_identifier) | |||
12957 | << Type << ReductionIdRange; | |||
12958 | continue; | |||
12959 | } | |||
12960 | ||||
12961 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
12962 | // The type of a list item that appears in a reduction clause must be valid | |||
12963 | // for the reduction-identifier. For a max or min reduction in C, the type | |||
12964 | // of the list item must be an allowed arithmetic data type: char, int, | |||
12965 | // float, double, or _Bool, possibly modified with long, short, signed, or | |||
12966 | // unsigned. For a max or min reduction in C++, the type of the list item | |||
12967 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | |||
12968 | // double, or bool, possibly modified with long, short, signed, or unsigned. | |||
12969 | if (DeclareReductionRef.isUnset()) { | |||
12970 | if ((BOK == BO_GT || BOK == BO_LT) && | |||
12971 | !(Type->isScalarType() || | |||
12972 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | |||
12973 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | |||
12974 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | |||
12975 | if (!ASE && !OASE) { | |||
12976 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
12977 | VarDecl::DeclarationOnly; | |||
12978 | S.Diag(D->getLocation(), | |||
12979 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
12980 | << D; | |||
12981 | } | |||
12982 | continue; | |||
12983 | } | |||
12984 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | |||
12985 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | |||
12986 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | |||
12987 | << getOpenMPClauseName(ClauseKind); | |||
12988 | if (!ASE && !OASE) { | |||
12989 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
12990 | VarDecl::DeclarationOnly; | |||
12991 | S.Diag(D->getLocation(), | |||
12992 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
12993 | << D; | |||
12994 | } | |||
12995 | continue; | |||
12996 | } | |||
12997 | } | |||
12998 | ||||
12999 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | |||
13000 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | |||
13001 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
13002 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | |||
13003 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
13004 | QualType PrivateTy = Type; | |||
13005 | ||||
13006 | // Try if we can determine constant lengths for all array sections and avoid | |||
13007 | // the VLA. | |||
13008 | bool ConstantLengthOASE = false; | |||
13009 | if (OASE) { | |||
13010 | bool SingleElement; | |||
13011 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | |||
13012 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( | |||
13013 | Context, OASE, SingleElement, ArraySizes); | |||
13014 | ||||
13015 | // If we don't have a single element, we must emit a constant array type. | |||
13016 | if (ConstantLengthOASE && !SingleElement) { | |||
13017 | for (llvm::APSInt &Size : ArraySizes) | |||
13018 | PrivateTy = Context.getConstantArrayType( | |||
13019 | PrivateTy, Size, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
13020 | } | |||
13021 | } | |||
13022 | ||||
13023 | if ((OASE && !ConstantLengthOASE) || | |||
13024 | (!OASE && !ASE && | |||
13025 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | |||
13026 | if (!Context.getTargetInfo().isVLASupported()) { | |||
13027 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { | |||
13028 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | |||
13029 | S.Diag(ELoc, diag::note_vla_unsupported); | |||
13030 | } else { | |||
13031 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | |||
13032 | S.targetDiag(ELoc, diag::note_vla_unsupported); | |||
13033 | } | |||
13034 | continue; | |||
13035 | } | |||
13036 | // For arrays/array sections only: | |||
13037 | // Create pseudo array type for private copy. The size for this array will | |||
13038 | // be generated during codegen. | |||
13039 | // For array subscripts or single variables Private Ty is the same as Type | |||
13040 | // (type of the variable or single array element). | |||
13041 | PrivateTy = Context.getVariableArrayType( | |||
13042 | Type, | |||
13043 | new (Context) OpaqueValueExpr(ELoc, Context.getSizeType(), VK_RValue), | |||
13044 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | |||
13045 | } else if (!ASE && !OASE && | |||
13046 | Context.getAsArrayType(D->getType().getNonReferenceType())) { | |||
13047 | PrivateTy = D->getType().getNonReferenceType(); | |||
13048 | } | |||
13049 | // Private copy. | |||
13050 | VarDecl *PrivateVD = | |||
13051 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | |||
13052 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
13053 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
13054 | // Add initializer for private variable. | |||
13055 | Expr *Init = nullptr; | |||
13056 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | |||
13057 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | |||
13058 | if (DeclareReductionRef.isUsable()) { | |||
13059 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | |||
13060 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | |||
13061 | if (DRD->getInitializer()) { | |||
13062 | Init = DRDRef; | |||
13063 | RHSVD->setInit(DRDRef); | |||
13064 | RHSVD->setInitStyle(VarDecl::CallInit); | |||
13065 | } | |||
13066 | } else { | |||
13067 | switch (BOK) { | |||
13068 | case BO_Add: | |||
13069 | case BO_Xor: | |||
13070 | case BO_Or: | |||
13071 | case BO_LOr: | |||
13072 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | |||
13073 | if (Type->isScalarType() || Type->isAnyComplexType()) | |||
13074 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | |||
13075 | break; | |||
13076 | case BO_Mul: | |||
13077 | case BO_LAnd: | |||
13078 | if (Type->isScalarType() || Type->isAnyComplexType()) { | |||
13079 | // '*' and '&&' reduction ops - initializer is '1'. | |||
13080 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | |||
13081 | } | |||
13082 | break; | |||
13083 | case BO_And: { | |||
13084 | // '&' reduction op - initializer is '~0'. | |||
13085 | QualType OrigType = Type; | |||
13086 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | |||
13087 | Type = ComplexTy->getElementType(); | |||
13088 | if (Type->isRealFloatingType()) { | |||
13089 | llvm::APFloat InitValue = | |||
13090 | llvm::APFloat::getAllOnesValue(Context.getTypeSize(Type), | |||
13091 | /*isIEEE=*/true); | |||
13092 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
13093 | Type, ELoc); | |||
13094 | } else if (Type->isScalarType()) { | |||
13095 | uint64_t Size = Context.getTypeSize(Type); | |||
13096 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | |||
13097 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | |||
13098 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
13099 | } | |||
13100 | if (Init && OrigType->isAnyComplexType()) { | |||
13101 | // Init = 0xFFFF + 0xFFFFi; | |||
13102 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | |||
13103 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | |||
13104 | } | |||
13105 | Type = OrigType; | |||
13106 | break; | |||
13107 | } | |||
13108 | case BO_LT: | |||
13109 | case BO_GT: { | |||
13110 | // 'min' reduction op - initializer is 'Largest representable number in | |||
13111 | // the reduction list item type'. | |||
13112 | // 'max' reduction op - initializer is 'Least representable number in | |||
13113 | // the reduction list item type'. | |||
13114 | if (Type->isIntegerType() || Type->isPointerType()) { | |||
13115 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | |||
13116 | uint64_t Size = Context.getTypeSize(Type); | |||
13117 | QualType IntTy = | |||
13118 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | |||
13119 | llvm::APInt InitValue = | |||
13120 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | |||
13121 | : llvm::APInt::getMinValue(Size) | |||
13122 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | |||
13123 | : llvm::APInt::getMaxValue(Size); | |||
13124 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
13125 | if (Type->isPointerType()) { | |||
13126 | // Cast to pointer type. | |||
13127 | ExprResult CastExpr = S.BuildCStyleCastExpr( | |||
13128 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | |||
13129 | if (CastExpr.isInvalid()) | |||
13130 | continue; | |||
13131 | Init = CastExpr.get(); | |||
13132 | } | |||
13133 | } else if (Type->isRealFloatingType()) { | |||
13134 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | |||
13135 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | |||
13136 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
13137 | Type, ELoc); | |||
13138 | } | |||
13139 | break; | |||
13140 | } | |||
13141 | case BO_PtrMemD: | |||
13142 | case BO_PtrMemI: | |||
13143 | case BO_MulAssign: | |||
13144 | case BO_Div: | |||
13145 | case BO_Rem: | |||
13146 | case BO_Sub: | |||
13147 | case BO_Shl: | |||
13148 | case BO_Shr: | |||
13149 | case BO_LE: | |||
13150 | case BO_GE: | |||
13151 | case BO_EQ: | |||
13152 | case BO_NE: | |||
13153 | case BO_Cmp: | |||
13154 | case BO_AndAssign: | |||
13155 | case BO_XorAssign: | |||
13156 | case BO_OrAssign: | |||
13157 | case BO_Assign: | |||
13158 | case BO_AddAssign: | |||
13159 | case BO_SubAssign: | |||
13160 | case BO_DivAssign: | |||
13161 | case BO_RemAssign: | |||
13162 | case BO_ShlAssign: | |||
13163 | case BO_ShrAssign: | |||
13164 | case BO_Comma: | |||
13165 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13165); | |||
13166 | } | |||
13167 | } | |||
13168 | if (Init && DeclareReductionRef.isUnset()) | |||
13169 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | |||
13170 | else if (!Init) | |||
13171 | S.ActOnUninitializedDecl(RHSVD); | |||
13172 | if (RHSVD->isInvalidDecl()) | |||
13173 | continue; | |||
13174 | if (!RHSVD->hasInit() && | |||
13175 | (DeclareReductionRef.isUnset() || !S.LangOpts.CPlusPlus)) { | |||
13176 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | |||
13177 | << Type << ReductionIdRange; | |||
13178 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
13179 | VarDecl::DeclarationOnly; | |||
13180 | S.Diag(D->getLocation(), | |||
13181 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
13182 | << D; | |||
13183 | continue; | |||
13184 | } | |||
13185 | // Store initializer for single element in private copy. Will be used during | |||
13186 | // codegen. | |||
13187 | PrivateVD->setInit(RHSVD->getInit()); | |||
13188 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | |||
13189 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | |||
13190 | ExprResult ReductionOp; | |||
13191 | if (DeclareReductionRef.isUsable()) { | |||
13192 | QualType RedTy = DeclareReductionRef.get()->getType(); | |||
13193 | QualType PtrRedTy = Context.getPointerType(RedTy); | |||
13194 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | |||
13195 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | |||
13196 | if (!BasePath.empty()) { | |||
13197 | LHS = S.DefaultLvalueConversion(LHS.get()); | |||
13198 | RHS = S.DefaultLvalueConversion(RHS.get()); | |||
13199 | LHS = ImplicitCastExpr::Create(Context, PtrRedTy, | |||
13200 | CK_UncheckedDerivedToBase, LHS.get(), | |||
13201 | &BasePath, LHS.get()->getValueKind()); | |||
13202 | RHS = ImplicitCastExpr::Create(Context, PtrRedTy, | |||
13203 | CK_UncheckedDerivedToBase, RHS.get(), | |||
13204 | &BasePath, RHS.get()->getValueKind()); | |||
13205 | } | |||
13206 | FunctionProtoType::ExtProtoInfo EPI; | |||
13207 | QualType Params[] = {PtrRedTy, PtrRedTy}; | |||
13208 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | |||
13209 | auto *OVE = new (Context) OpaqueValueExpr( | |||
13210 | ELoc, Context.getPointerType(FnTy), VK_RValue, OK_Ordinary, | |||
13211 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | |||
13212 | Expr *Args[] = {LHS.get(), RHS.get()}; | |||
13213 | ReductionOp = | |||
13214 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_RValue, ELoc); | |||
13215 | } else { | |||
13216 | ReductionOp = S.BuildBinOp( | |||
13217 | Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, LHSDRE, RHSDRE); | |||
13218 | if (ReductionOp.isUsable()) { | |||
13219 | if (BOK != BO_LT && BOK != BO_GT) { | |||
13220 | ReductionOp = | |||
13221 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | |||
13222 | BO_Assign, LHSDRE, ReductionOp.get()); | |||
13223 | } else { | |||
13224 | auto *ConditionalOp = new (Context) | |||
13225 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, RHSDRE, | |||
13226 | Type, VK_LValue, OK_Ordinary); | |||
13227 | ReductionOp = | |||
13228 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | |||
13229 | BO_Assign, LHSDRE, ConditionalOp); | |||
13230 | } | |||
13231 | if (ReductionOp.isUsable()) | |||
13232 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), | |||
13233 | /*DiscardedValue*/ false); | |||
13234 | } | |||
13235 | if (!ReductionOp.isUsable()) | |||
13236 | continue; | |||
13237 | } | |||
13238 | ||||
13239 | // OpenMP [2.15.4.6, Restrictions, p.2] | |||
13240 | // A list item that appears in an in_reduction clause of a task construct | |||
13241 | // must appear in a task_reduction clause of a construct associated with a | |||
13242 | // taskgroup region that includes the participating task in its taskgroup | |||
13243 | // set. The construct associated with the innermost region that meets this | |||
13244 | // condition must specify the same reduction-identifier as the in_reduction | |||
13245 | // clause. | |||
13246 | if (ClauseKind == OMPC_in_reduction) { | |||
13247 | SourceRange ParentSR; | |||
13248 | BinaryOperatorKind ParentBOK; | |||
13249 | const Expr *ParentReductionOp; | |||
13250 | Expr *ParentBOKTD, *ParentReductionOpTD; | |||
13251 | DSAStackTy::DSAVarData ParentBOKDSA = | |||
13252 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | |||
13253 | ParentBOKTD); | |||
13254 | DSAStackTy::DSAVarData ParentReductionOpDSA = | |||
13255 | Stack->getTopMostTaskgroupReductionData( | |||
13256 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | |||
13257 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | |||
13258 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | |||
13259 | if (!IsParentBOK && !IsParentReductionOp) { | |||
13260 | S.Diag(ELoc, diag::err_omp_in_reduction_not_task_reduction); | |||
13261 | continue; | |||
13262 | } | |||
13263 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | |||
13264 | (DeclareReductionRef.isUsable() && IsParentBOK) || BOK != ParentBOK || | |||
13265 | IsParentReductionOp) { | |||
13266 | bool EmitError = true; | |||
13267 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | |||
13268 | llvm::FoldingSetNodeID RedId, ParentRedId; | |||
13269 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | |||
13270 | DeclareReductionRef.get()->Profile(RedId, Context, | |||
13271 | /*Canonical=*/true); | |||
13272 | EmitError = RedId != ParentRedId; | |||
13273 | } | |||
13274 | if (EmitError) { | |||
13275 | S.Diag(ReductionId.getBeginLoc(), | |||
13276 | diag::err_omp_reduction_identifier_mismatch) | |||
13277 | << ReductionIdRange << RefExpr->getSourceRange(); | |||
13278 | S.Diag(ParentSR.getBegin(), | |||
13279 | diag::note_omp_previous_reduction_identifier) | |||
13280 | << ParentSR | |||
13281 | << (IsParentBOK ? ParentBOKDSA.RefExpr | |||
13282 | : ParentReductionOpDSA.RefExpr) | |||
13283 | ->getSourceRange(); | |||
13284 | continue; | |||
13285 | } | |||
13286 | } | |||
13287 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | |||
13288 | assert(TaskgroupDescriptor && "Taskgroup descriptor must be defined.")((TaskgroupDescriptor && "Taskgroup descriptor must be defined." ) ? static_cast<void> (0) : __assert_fail ("TaskgroupDescriptor && \"Taskgroup descriptor must be defined.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13288, __PRETTY_FUNCTION__)); | |||
13289 | } | |||
13290 | ||||
13291 | DeclRefExpr *Ref = nullptr; | |||
13292 | Expr *VarsExpr = RefExpr->IgnoreParens(); | |||
13293 | if (!VD && !S.CurContext->isDependentContext()) { | |||
13294 | if (ASE || OASE) { | |||
13295 | TransformExprToCaptures RebuildToCapture(S, D); | |||
13296 | VarsExpr = | |||
13297 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | |||
13298 | Ref = RebuildToCapture.getCapturedExpr(); | |||
13299 | } else { | |||
13300 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | |||
13301 | } | |||
13302 | if (!S.isOpenMPCapturedDecl(D)) { | |||
13303 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | |||
13304 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
13305 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | |||
13306 | if (!RefRes.isUsable()) | |||
13307 | continue; | |||
13308 | ExprResult PostUpdateRes = | |||
13309 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
13310 | RefRes.get()); | |||
13311 | if (!PostUpdateRes.isUsable()) | |||
13312 | continue; | |||
13313 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | |||
13314 | Stack->getCurrentDirective() == OMPD_taskgroup) { | |||
13315 | S.Diag(RefExpr->getExprLoc(), | |||
13316 | diag::err_omp_reduction_non_addressable_expression) | |||
13317 | << RefExpr->getSourceRange(); | |||
13318 | continue; | |||
13319 | } | |||
13320 | RD.ExprPostUpdates.emplace_back( | |||
13321 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
13322 | } | |||
13323 | } | |||
13324 | } | |||
13325 | // All reduction items are still marked as reduction (to do not increase | |||
13326 | // code base size). | |||
13327 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref); | |||
13328 | if (CurrDir == OMPD_taskgroup) { | |||
13329 | if (DeclareReductionRef.isUsable()) | |||
13330 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | |||
13331 | DeclareReductionRef.get()); | |||
13332 | else | |||
13333 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | |||
13334 | } | |||
13335 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | |||
13336 | TaskgroupDescriptor); | |||
13337 | } | |||
13338 | return RD.Vars.empty(); | |||
13339 | } | |||
13340 | ||||
13341 | OMPClause *Sema::ActOnOpenMPReductionClause( | |||
13342 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
13343 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
13344 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
13345 | ArrayRef<Expr *> UnresolvedReductions) { | |||
13346 | ReductionData RD(VarList.size()); | |||
13347 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | |||
13348 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
13349 | ReductionIdScopeSpec, ReductionId, | |||
13350 | UnresolvedReductions, RD)) | |||
13351 | return nullptr; | |||
13352 | ||||
13353 | return OMPReductionClause::Create( | |||
13354 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
13355 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
13356 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | |||
13357 | buildPreInits(Context, RD.ExprCaptures), | |||
13358 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
13359 | } | |||
13360 | ||||
13361 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | |||
13362 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
13363 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
13364 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
13365 | ArrayRef<Expr *> UnresolvedReductions) { | |||
13366 | ReductionData RD(VarList.size()); | |||
13367 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, | |||
13368 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
13369 | ReductionIdScopeSpec, ReductionId, | |||
13370 | UnresolvedReductions, RD)) | |||
13371 | return nullptr; | |||
13372 | ||||
13373 | return OMPTaskReductionClause::Create( | |||
13374 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
13375 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
13376 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | |||
13377 | buildPreInits(Context, RD.ExprCaptures), | |||
13378 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
13379 | } | |||
13380 | ||||
13381 | OMPClause *Sema::ActOnOpenMPInReductionClause( | |||
13382 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
13383 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
13384 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
13385 | ArrayRef<Expr *> UnresolvedReductions) { | |||
13386 | ReductionData RD(VarList.size()); | |||
13387 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | |||
13388 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
13389 | ReductionIdScopeSpec, ReductionId, | |||
13390 | UnresolvedReductions, RD)) | |||
13391 | return nullptr; | |||
13392 | ||||
13393 | return OMPInReductionClause::Create( | |||
13394 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
13395 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
13396 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | |||
13397 | buildPreInits(Context, RD.ExprCaptures), | |||
13398 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
13399 | } | |||
13400 | ||||
13401 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | |||
13402 | SourceLocation LinLoc) { | |||
13403 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | |||
13404 | LinKind == OMPC_LINEAR_unknown) { | |||
13405 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | |||
13406 | return true; | |||
13407 | } | |||
13408 | return false; | |||
13409 | } | |||
13410 | ||||
13411 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, | |||
13412 | OpenMPLinearClauseKind LinKind, | |||
13413 | QualType Type) { | |||
13414 | const auto *VD = dyn_cast_or_null<VarDecl>(D); | |||
13415 | // A variable must not have an incomplete type or a reference type. | |||
13416 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | |||
13417 | return true; | |||
13418 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | |||
13419 | !Type->isReferenceType()) { | |||
13420 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | |||
13421 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | |||
13422 | return true; | |||
13423 | } | |||
13424 | Type = Type.getNonReferenceType(); | |||
13425 | ||||
13426 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
13427 | // A variable that is privatized must not have a const-qualified type | |||
13428 | // unless it is of class type with a mutable member. This restriction does | |||
13429 | // not apply to the firstprivate clause. | |||
13430 | if (rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) | |||
13431 | return true; | |||
13432 | ||||
13433 | // A list item must be of integral or pointer type. | |||
13434 | Type = Type.getUnqualifiedType().getCanonicalType(); | |||
13435 | const auto *Ty = Type.getTypePtrOrNull(); | |||
13436 | if (!Ty || (!Ty->isDependentType() && !Ty->isIntegralType(Context) && | |||
13437 | !Ty->isPointerType())) { | |||
13438 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | |||
13439 | if (D) { | |||
13440 | bool IsDecl = | |||
13441 | !VD || | |||
13442 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
13443 | Diag(D->getLocation(), | |||
13444 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
13445 | << D; | |||
13446 | } | |||
13447 | return true; | |||
13448 | } | |||
13449 | return false; | |||
13450 | } | |||
13451 | ||||
13452 | OMPClause *Sema::ActOnOpenMPLinearClause( | |||
13453 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | |||
13454 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | |||
13455 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
13456 | SmallVector<Expr *, 8> Vars; | |||
13457 | SmallVector<Expr *, 8> Privates; | |||
13458 | SmallVector<Expr *, 8> Inits; | |||
13459 | SmallVector<Decl *, 4> ExprCaptures; | |||
13460 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
13461 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | |||
13462 | LinKind = OMPC_LINEAR_val; | |||
13463 | for (Expr *RefExpr : VarList) { | |||
13464 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13464, __PRETTY_FUNCTION__)); | |||
13465 | SourceLocation ELoc; | |||
13466 | SourceRange ERange; | |||
13467 | Expr *SimpleRefExpr = RefExpr; | |||
13468 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
13469 | if (Res.second) { | |||
13470 | // It will be analyzed later. | |||
13471 | Vars.push_back(RefExpr); | |||
13472 | Privates.push_back(nullptr); | |||
13473 | Inits.push_back(nullptr); | |||
13474 | } | |||
13475 | ValueDecl *D = Res.first; | |||
13476 | if (!D) | |||
13477 | continue; | |||
13478 | ||||
13479 | QualType Type = D->getType(); | |||
13480 | auto *VD = dyn_cast<VarDecl>(D); | |||
13481 | ||||
13482 | // OpenMP [2.14.3.7, linear clause] | |||
13483 | // A list-item cannot appear in more than one linear clause. | |||
13484 | // A list-item that appears in a linear clause cannot appear in any | |||
13485 | // other data-sharing attribute clause. | |||
13486 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
13487 | if (DVar.RefExpr) { | |||
13488 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
13489 | << getOpenMPClauseName(OMPC_linear); | |||
13490 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
13491 | continue; | |||
13492 | } | |||
13493 | ||||
13494 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | |||
13495 | continue; | |||
13496 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
13497 | ||||
13498 | // Build private copy of original var. | |||
13499 | VarDecl *Private = | |||
13500 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
13501 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
13502 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
13503 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | |||
13504 | // Build var to save initial value. | |||
13505 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | |||
13506 | Expr *InitExpr; | |||
13507 | DeclRefExpr *Ref = nullptr; | |||
13508 | if (!VD && !CurContext->isDependentContext()) { | |||
13509 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
13510 | if (!isOpenMPCapturedDecl(D)) { | |||
13511 | ExprCaptures.push_back(Ref->getDecl()); | |||
13512 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
13513 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
13514 | if (!RefRes.isUsable()) | |||
13515 | continue; | |||
13516 | ExprResult PostUpdateRes = | |||
13517 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | |||
13518 | SimpleRefExpr, RefRes.get()); | |||
13519 | if (!PostUpdateRes.isUsable()) | |||
13520 | continue; | |||
13521 | ExprPostUpdates.push_back( | |||
13522 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
13523 | } | |||
13524 | } | |||
13525 | } | |||
13526 | if (LinKind == OMPC_LINEAR_uval) | |||
13527 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | |||
13528 | else | |||
13529 | InitExpr = VD ? SimpleRefExpr : Ref; | |||
13530 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | |||
13531 | /*DirectInit=*/false); | |||
13532 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | |||
13533 | ||||
13534 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | |||
13535 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
13536 | ? RefExpr->IgnoreParens() | |||
13537 | : Ref); | |||
13538 | Privates.push_back(PrivateRef); | |||
13539 | Inits.push_back(InitRef); | |||
13540 | } | |||
13541 | ||||
13542 | if (Vars.empty()) | |||
13543 | return nullptr; | |||
13544 | ||||
13545 | Expr *StepExpr = Step; | |||
13546 | Expr *CalcStepExpr = nullptr; | |||
13547 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
13548 | !Step->isInstantiationDependent() && | |||
13549 | !Step->containsUnexpandedParameterPack()) { | |||
13550 | SourceLocation StepLoc = Step->getBeginLoc(); | |||
13551 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | |||
13552 | if (Val.isInvalid()) | |||
13553 | return nullptr; | |||
13554 | StepExpr = Val.get(); | |||
13555 | ||||
13556 | // Build var to save the step value. | |||
13557 | VarDecl *SaveVar = | |||
13558 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | |||
13559 | ExprResult SaveRef = | |||
13560 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | |||
13561 | ExprResult CalcStep = | |||
13562 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | |||
13563 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); | |||
13564 | ||||
13565 | // Warn about zero linear step (it would be probably better specified as | |||
13566 | // making corresponding variables 'const'). | |||
13567 | llvm::APSInt Result; | |||
13568 | bool IsConstant = StepExpr->isIntegerConstantExpr(Result, Context); | |||
13569 | if (IsConstant && !Result.isNegative() && !Result.isStrictlyPositive()) | |||
13570 | Diag(StepLoc, diag::warn_omp_linear_step_zero) << Vars[0] | |||
13571 | << (Vars.size() > 1); | |||
13572 | if (!IsConstant && CalcStep.isUsable()) { | |||
13573 | // Calculate the step beforehand instead of doing this on each iteration. | |||
13574 | // (This is not used if the number of iterations may be kfold-ed). | |||
13575 | CalcStepExpr = CalcStep.get(); | |||
13576 | } | |||
13577 | } | |||
13578 | ||||
13579 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | |||
13580 | ColonLoc, EndLoc, Vars, Privates, Inits, | |||
13581 | StepExpr, CalcStepExpr, | |||
13582 | buildPreInits(Context, ExprCaptures), | |||
13583 | buildPostUpdate(*this, ExprPostUpdates)); | |||
13584 | } | |||
13585 | ||||
13586 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
13587 | Expr *NumIterations, Sema &SemaRef, | |||
13588 | Scope *S, DSAStackTy *Stack) { | |||
13589 | // Walk the vars and build update/final expressions for the CodeGen. | |||
13590 | SmallVector<Expr *, 8> Updates; | |||
13591 | SmallVector<Expr *, 8> Finals; | |||
13592 | SmallVector<Expr *, 8> UsedExprs; | |||
13593 | Expr *Step = Clause.getStep(); | |||
13594 | Expr *CalcStep = Clause.getCalcStep(); | |||
13595 | // OpenMP [2.14.3.7, linear clause] | |||
13596 | // If linear-step is not specified it is assumed to be 1. | |||
13597 | if (!Step) | |||
13598 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | |||
13599 | else if (CalcStep) | |||
13600 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | |||
13601 | bool HasErrors = false; | |||
13602 | auto CurInit = Clause.inits().begin(); | |||
13603 | auto CurPrivate = Clause.privates().begin(); | |||
13604 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); | |||
13605 | for (Expr *RefExpr : Clause.varlists()) { | |||
13606 | SourceLocation ELoc; | |||
13607 | SourceRange ERange; | |||
13608 | Expr *SimpleRefExpr = RefExpr; | |||
13609 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); | |||
13610 | ValueDecl *D = Res.first; | |||
13611 | if (Res.second || !D) { | |||
13612 | Updates.push_back(nullptr); | |||
13613 | Finals.push_back(nullptr); | |||
13614 | HasErrors = true; | |||
13615 | continue; | |||
13616 | } | |||
13617 | auto &&Info = Stack->isLoopControlVariable(D); | |||
13618 | // OpenMP [2.15.11, distribute simd Construct] | |||
13619 | // A list item may not appear in a linear clause, unless it is the loop | |||
13620 | // iteration variable. | |||
13621 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | |||
13622 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | |||
13623 | SemaRef.Diag(ELoc, | |||
13624 | diag::err_omp_linear_distribute_var_non_loop_iteration); | |||
13625 | Updates.push_back(nullptr); | |||
13626 | Finals.push_back(nullptr); | |||
13627 | HasErrors = true; | |||
13628 | continue; | |||
13629 | } | |||
13630 | Expr *InitExpr = *CurInit; | |||
13631 | ||||
13632 | // Build privatized reference to the current linear var. | |||
13633 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | |||
13634 | Expr *CapturedRef; | |||
13635 | if (LinKind == OMPC_LINEAR_uval) | |||
13636 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | |||
13637 | else | |||
13638 | CapturedRef = | |||
13639 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | |||
13640 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | |||
13641 | /*RefersToCapture=*/true); | |||
13642 | ||||
13643 | // Build update: Var = InitExpr + IV * Step | |||
13644 | ExprResult Update; | |||
13645 | if (!Info.first) | |||
13646 | Update = buildCounterUpdate( | |||
13647 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, | |||
13648 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); | |||
13649 | else | |||
13650 | Update = *CurPrivate; | |||
13651 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), | |||
13652 | /*DiscardedValue*/ false); | |||
13653 | ||||
13654 | // Build final: Var = InitExpr + NumIterations * Step | |||
13655 | ExprResult Final; | |||
13656 | if (!Info.first) | |||
13657 | Final = | |||
13658 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | |||
13659 | InitExpr, NumIterations, Step, /*Subtract=*/false, | |||
13660 | /*IsNonRectangularLB=*/false); | |||
13661 | else | |||
13662 | Final = *CurPrivate; | |||
13663 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), | |||
13664 | /*DiscardedValue*/ false); | |||
13665 | ||||
13666 | if (!Update.isUsable() || !Final.isUsable()) { | |||
13667 | Updates.push_back(nullptr); | |||
13668 | Finals.push_back(nullptr); | |||
13669 | UsedExprs.push_back(nullptr); | |||
13670 | HasErrors = true; | |||
13671 | } else { | |||
13672 | Updates.push_back(Update.get()); | |||
13673 | Finals.push_back(Final.get()); | |||
13674 | if (!Info.first) | |||
13675 | UsedExprs.push_back(SimpleRefExpr); | |||
13676 | } | |||
13677 | ++CurInit; | |||
13678 | ++CurPrivate; | |||
13679 | } | |||
13680 | if (Expr *S = Clause.getStep()) | |||
13681 | UsedExprs.push_back(S); | |||
13682 | // Fill the remaining part with the nullptr. | |||
13683 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); | |||
13684 | Clause.setUpdates(Updates); | |||
13685 | Clause.setFinals(Finals); | |||
13686 | Clause.setUsedExprs(UsedExprs); | |||
13687 | return HasErrors; | |||
13688 | } | |||
13689 | ||||
13690 | OMPClause *Sema::ActOnOpenMPAlignedClause( | |||
13691 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | |||
13692 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
13693 | SmallVector<Expr *, 8> Vars; | |||
13694 | for (Expr *RefExpr : VarList) { | |||
13695 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13695, __PRETTY_FUNCTION__)); | |||
13696 | SourceLocation ELoc; | |||
13697 | SourceRange ERange; | |||
13698 | Expr *SimpleRefExpr = RefExpr; | |||
13699 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
13700 | if (Res.second) { | |||
13701 | // It will be analyzed later. | |||
13702 | Vars.push_back(RefExpr); | |||
13703 | } | |||
13704 | ValueDecl *D = Res.first; | |||
13705 | if (!D) | |||
13706 | continue; | |||
13707 | ||||
13708 | QualType QType = D->getType(); | |||
13709 | auto *VD = dyn_cast<VarDecl>(D); | |||
13710 | ||||
13711 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
13712 | // The type of list items appearing in the aligned clause must be | |||
13713 | // array, pointer, reference to array, or reference to pointer. | |||
13714 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
13715 | const Type *Ty = QType.getTypePtrOrNull(); | |||
13716 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
13717 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | |||
13718 | << QType << getLangOpts().CPlusPlus << ERange; | |||
13719 | bool IsDecl = | |||
13720 | !VD || | |||
13721 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
13722 | Diag(D->getLocation(), | |||
13723 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
13724 | << D; | |||
13725 | continue; | |||
13726 | } | |||
13727 | ||||
13728 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
13729 | // A list-item cannot appear in more than one aligned clause. | |||
13730 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | |||
13731 | Diag(ELoc, diag::err_omp_aligned_twice) << 0 << ERange; | |||
13732 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | |||
13733 | << getOpenMPClauseName(OMPC_aligned); | |||
13734 | continue; | |||
13735 | } | |||
13736 | ||||
13737 | DeclRefExpr *Ref = nullptr; | |||
13738 | if (!VD && isOpenMPCapturedDecl(D)) | |||
13739 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
13740 | Vars.push_back(DefaultFunctionArrayConversion( | |||
13741 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | |||
13742 | .get()); | |||
13743 | } | |||
13744 | ||||
13745 | // OpenMP [2.8.1, simd construct, Description] | |||
13746 | // The parameter of the aligned clause, alignment, must be a constant | |||
13747 | // positive integer expression. | |||
13748 | // If no optional parameter is specified, implementation-defined default | |||
13749 | // alignments for SIMD instructions on the target platforms are assumed. | |||
13750 | if (Alignment != nullptr) { | |||
13751 | ExprResult AlignResult = | |||
13752 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | |||
13753 | if (AlignResult.isInvalid()) | |||
13754 | return nullptr; | |||
13755 | Alignment = AlignResult.get(); | |||
13756 | } | |||
13757 | if (Vars.empty()) | |||
13758 | return nullptr; | |||
13759 | ||||
13760 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | |||
13761 | EndLoc, Vars, Alignment); | |||
13762 | } | |||
13763 | ||||
13764 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | |||
13765 | SourceLocation StartLoc, | |||
13766 | SourceLocation LParenLoc, | |||
13767 | SourceLocation EndLoc) { | |||
13768 | SmallVector<Expr *, 8> Vars; | |||
13769 | SmallVector<Expr *, 8> SrcExprs; | |||
13770 | SmallVector<Expr *, 8> DstExprs; | |||
13771 | SmallVector<Expr *, 8> AssignmentOps; | |||
13772 | for (Expr *RefExpr : VarList) { | |||
13773 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")((RefExpr && "NULL expr in OpenMP copyin clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP copyin clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13773, __PRETTY_FUNCTION__)); | |||
13774 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
13775 | // It will be analyzed later. | |||
13776 | Vars.push_back(RefExpr); | |||
13777 | SrcExprs.push_back(nullptr); | |||
13778 | DstExprs.push_back(nullptr); | |||
13779 | AssignmentOps.push_back(nullptr); | |||
13780 | continue; | |||
13781 | } | |||
13782 | ||||
13783 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
13784 | // OpenMP [2.1, C/C++] | |||
13785 | // A list item is a variable name. | |||
13786 | // OpenMP [2.14.4.1, Restrictions, p.1] | |||
13787 | // A list item that appears in a copyin clause must be threadprivate. | |||
13788 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); | |||
13789 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | |||
13790 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | |||
13791 | << 0 << RefExpr->getSourceRange(); | |||
13792 | continue; | |||
13793 | } | |||
13794 | ||||
13795 | Decl *D = DE->getDecl(); | |||
13796 | auto *VD = cast<VarDecl>(D); | |||
13797 | ||||
13798 | QualType Type = VD->getType(); | |||
13799 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | |||
13800 | // It will be analyzed later. | |||
13801 | Vars.push_back(DE); | |||
13802 | SrcExprs.push_back(nullptr); | |||
13803 | DstExprs.push_back(nullptr); | |||
13804 | AssignmentOps.push_back(nullptr); | |||
13805 | continue; | |||
13806 | } | |||
13807 | ||||
13808 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | |||
13809 | // A list item that appears in a copyin clause must be threadprivate. | |||
13810 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
13811 | Diag(ELoc, diag::err_omp_required_access) | |||
13812 | << getOpenMPClauseName(OMPC_copyin) | |||
13813 | << getOpenMPDirectiveName(OMPD_threadprivate); | |||
13814 | continue; | |||
13815 | } | |||
13816 | ||||
13817 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
13818 | // A variable of class type (or array thereof) that appears in a | |||
13819 | // copyin clause requires an accessible, unambiguous copy assignment | |||
13820 | // operator for the class type. | |||
13821 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
13822 | VarDecl *SrcVD = | |||
13823 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), | |||
13824 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
13825 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( | |||
13826 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | |||
13827 | VarDecl *DstVD = | |||
13828 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", | |||
13829 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
13830 | DeclRefExpr *PseudoDstExpr = | |||
13831 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | |||
13832 | // For arrays generate assignment operation for single element and replace | |||
13833 | // it by the original array element in CodeGen. | |||
13834 | ExprResult AssignmentOp = | |||
13835 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, | |||
13836 | PseudoSrcExpr); | |||
13837 | if (AssignmentOp.isInvalid()) | |||
13838 | continue; | |||
13839 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | |||
13840 | /*DiscardedValue*/ false); | |||
13841 | if (AssignmentOp.isInvalid()) | |||
13842 | continue; | |||
13843 | ||||
13844 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | |||
13845 | Vars.push_back(DE); | |||
13846 | SrcExprs.push_back(PseudoSrcExpr); | |||
13847 | DstExprs.push_back(PseudoDstExpr); | |||
13848 | AssignmentOps.push_back(AssignmentOp.get()); | |||
13849 | } | |||
13850 | ||||
13851 | if (Vars.empty()) | |||
13852 | return nullptr; | |||
13853 | ||||
13854 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
13855 | SrcExprs, DstExprs, AssignmentOps); | |||
13856 | } | |||
13857 | ||||
13858 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | |||
13859 | SourceLocation StartLoc, | |||
13860 | SourceLocation LParenLoc, | |||
13861 | SourceLocation EndLoc) { | |||
13862 | SmallVector<Expr *, 8> Vars; | |||
13863 | SmallVector<Expr *, 8> SrcExprs; | |||
13864 | SmallVector<Expr *, 8> DstExprs; | |||
13865 | SmallVector<Expr *, 8> AssignmentOps; | |||
13866 | for (Expr *RefExpr : VarList) { | |||
13867 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13867, __PRETTY_FUNCTION__)); | |||
13868 | SourceLocation ELoc; | |||
13869 | SourceRange ERange; | |||
13870 | Expr *SimpleRefExpr = RefExpr; | |||
13871 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
13872 | if (Res.second) { | |||
13873 | // It will be analyzed later. | |||
13874 | Vars.push_back(RefExpr); | |||
13875 | SrcExprs.push_back(nullptr); | |||
13876 | DstExprs.push_back(nullptr); | |||
13877 | AssignmentOps.push_back(nullptr); | |||
13878 | } | |||
13879 | ValueDecl *D = Res.first; | |||
13880 | if (!D) | |||
13881 | continue; | |||
13882 | ||||
13883 | QualType Type = D->getType(); | |||
13884 | auto *VD = dyn_cast<VarDecl>(D); | |||
13885 | ||||
13886 | // OpenMP [2.14.4.2, Restrictions, p.2] | |||
13887 | // A list item that appears in a copyprivate clause may not appear in a | |||
13888 | // private or firstprivate clause on the single construct. | |||
13889 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
13890 | DSAStackTy::DSAVarData DVar = | |||
13891 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
13892 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | |||
13893 | DVar.RefExpr) { | |||
13894 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
13895 | << getOpenMPClauseName(DVar.CKind) | |||
13896 | << getOpenMPClauseName(OMPC_copyprivate); | |||
13897 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
13898 | continue; | |||
13899 | } | |||
13900 | ||||
13901 | // OpenMP [2.11.4.2, Restrictions, p.1] | |||
13902 | // All list items that appear in a copyprivate clause must be either | |||
13903 | // threadprivate or private in the enclosing context. | |||
13904 | if (DVar.CKind == OMPC_unknown) { | |||
13905 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | |||
13906 | if (DVar.CKind == OMPC_shared) { | |||
13907 | Diag(ELoc, diag::err_omp_required_access) | |||
13908 | << getOpenMPClauseName(OMPC_copyprivate) | |||
13909 | << "threadprivate or private in the enclosing context"; | |||
13910 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
13911 | continue; | |||
13912 | } | |||
13913 | } | |||
13914 | } | |||
13915 | ||||
13916 | // Variably modified types are not supported. | |||
13917 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | |||
13918 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
13919 | << getOpenMPClauseName(OMPC_copyprivate) << Type | |||
13920 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
13921 | bool IsDecl = | |||
13922 | !VD || | |||
13923 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
13924 | Diag(D->getLocation(), | |||
13925 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
13926 | << D; | |||
13927 | continue; | |||
13928 | } | |||
13929 | ||||
13930 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
13931 | // A variable of class type (or array thereof) that appears in a | |||
13932 | // copyin clause requires an accessible, unambiguous copy assignment | |||
13933 | // operator for the class type. | |||
13934 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | |||
13935 | .getUnqualifiedType(); | |||
13936 | VarDecl *SrcVD = | |||
13937 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", | |||
13938 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
13939 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | |||
13940 | VarDecl *DstVD = | |||
13941 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", | |||
13942 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
13943 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
13944 | ExprResult AssignmentOp = BuildBinOp( | |||
13945 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); | |||
13946 | if (AssignmentOp.isInvalid()) | |||
13947 | continue; | |||
13948 | AssignmentOp = | |||
13949 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | |||
13950 | if (AssignmentOp.isInvalid()) | |||
13951 | continue; | |||
13952 | ||||
13953 | // No need to mark vars as copyprivate, they are already threadprivate or | |||
13954 | // implicitly private. | |||
13955 | assert(VD || isOpenMPCapturedDecl(D))((VD || isOpenMPCapturedDecl(D)) ? static_cast<void> (0 ) : __assert_fail ("VD || isOpenMPCapturedDecl(D)", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13955, __PRETTY_FUNCTION__)); | |||
13956 | Vars.push_back( | |||
13957 | VD ? RefExpr->IgnoreParens() | |||
13958 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | |||
13959 | SrcExprs.push_back(PseudoSrcExpr); | |||
13960 | DstExprs.push_back(PseudoDstExpr); | |||
13961 | AssignmentOps.push_back(AssignmentOp.get()); | |||
13962 | } | |||
13963 | ||||
13964 | if (Vars.empty()) | |||
13965 | return nullptr; | |||
13966 | ||||
13967 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
13968 | Vars, SrcExprs, DstExprs, AssignmentOps); | |||
13969 | } | |||
13970 | ||||
13971 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | |||
13972 | SourceLocation StartLoc, | |||
13973 | SourceLocation LParenLoc, | |||
13974 | SourceLocation EndLoc) { | |||
13975 | if (VarList.empty()) | |||
13976 | return nullptr; | |||
13977 | ||||
13978 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | |||
13979 | } | |||
13980 | ||||
13981 | OMPClause * | |||
13982 | Sema::ActOnOpenMPDependClause(OpenMPDependClauseKind DepKind, | |||
13983 | SourceLocation DepLoc, SourceLocation ColonLoc, | |||
13984 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
13985 | SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
13986 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | |||
13987 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | |||
13988 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
13989 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | |||
13990 | return nullptr; | |||
13991 | } | |||
13992 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered && | |||
13993 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | |||
13994 | DepKind == OMPC_DEPEND_sink)) { | |||
13995 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink}; | |||
13996 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
13997 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | |||
13998 | /*Last=*/OMPC_DEPEND_unknown, Except) | |||
13999 | << getOpenMPClauseName(OMPC_depend); | |||
14000 | return nullptr; | |||
14001 | } | |||
14002 | SmallVector<Expr *, 8> Vars; | |||
14003 | DSAStackTy::OperatorOffsetTy OpsOffs; | |||
14004 | llvm::APSInt DepCounter(/*BitWidth=*/32); | |||
14005 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | |||
14006 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { | |||
14007 | if (const Expr *OrderedCountExpr = | |||
14008 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
14009 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | |||
14010 | TotalDepCount.setIsUnsigned(/*Val=*/true); | |||
14011 | } | |||
14012 | } | |||
14013 | for (Expr *RefExpr : VarList) { | |||
14014 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((RefExpr && "NULL expr in OpenMP shared clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14014, __PRETTY_FUNCTION__)); | |||
14015 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
14016 | // It will be analyzed later. | |||
14017 | Vars.push_back(RefExpr); | |||
14018 | continue; | |||
14019 | } | |||
14020 | ||||
14021 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
14022 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); | |||
14023 | if (DepKind == OMPC_DEPEND_sink) { | |||
14024 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
14025 | DepCounter >= TotalDepCount) { | |||
14026 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | |||
14027 | continue; | |||
14028 | } | |||
14029 | ++DepCounter; | |||
14030 | // OpenMP [2.13.9, Summary] | |||
14031 | // depend(dependence-type : vec), where dependence-type is: | |||
14032 | // 'sink' and where vec is the iteration vector, which has the form: | |||
14033 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | |||
14034 | // where n is the value specified by the ordered clause in the loop | |||
14035 | // directive, xi denotes the loop iteration variable of the i-th nested | |||
14036 | // loop associated with the loop directive, and di is a constant | |||
14037 | // non-negative integer. | |||
14038 | if (CurContext->isDependentContext()) { | |||
14039 | // It will be analyzed later. | |||
14040 | Vars.push_back(RefExpr); | |||
14041 | continue; | |||
14042 | } | |||
14043 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | |||
14044 | OverloadedOperatorKind OOK = OO_None; | |||
14045 | SourceLocation OOLoc; | |||
14046 | Expr *LHS = SimpleExpr; | |||
14047 | Expr *RHS = nullptr; | |||
14048 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | |||
14049 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | |||
14050 | OOLoc = BO->getOperatorLoc(); | |||
14051 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | |||
14052 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | |||
14053 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | |||
14054 | OOK = OCE->getOperator(); | |||
14055 | OOLoc = OCE->getOperatorLoc(); | |||
14056 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
14057 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | |||
14058 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | |||
14059 | OOK = MCE->getMethodDecl() | |||
14060 | ->getNameInfo() | |||
14061 | .getName() | |||
14062 | .getCXXOverloadedOperator(); | |||
14063 | OOLoc = MCE->getCallee()->getExprLoc(); | |||
14064 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | |||
14065 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
14066 | } | |||
14067 | SourceLocation ELoc; | |||
14068 | SourceRange ERange; | |||
14069 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); | |||
14070 | if (Res.second) { | |||
14071 | // It will be analyzed later. | |||
14072 | Vars.push_back(RefExpr); | |||
14073 | } | |||
14074 | ValueDecl *D = Res.first; | |||
14075 | if (!D) | |||
14076 | continue; | |||
14077 | ||||
14078 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | |||
14079 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | |||
14080 | continue; | |||
14081 | } | |||
14082 | if (RHS) { | |||
14083 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | |||
14084 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | |||
14085 | if (RHSRes.isInvalid()) | |||
14086 | continue; | |||
14087 | } | |||
14088 | if (!CurContext->isDependentContext() && | |||
14089 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
14090 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | |||
14091 | const ValueDecl *VD = | |||
14092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | |||
14093 | if (VD) | |||
14094 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
14095 | << 1 << VD; | |||
14096 | else | |||
14097 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | |||
14098 | continue; | |||
14099 | } | |||
14100 | OpsOffs.emplace_back(RHS, OOK); | |||
14101 | } else { | |||
14102 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | |||
14103 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | |||
14104 | (ASE && | |||
14105 | !ASE->getBase()->getType().getNonReferenceType()->isPointerType() && | |||
14106 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | |||
14107 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
14108 | << RefExpr->getSourceRange(); | |||
14109 | continue; | |||
14110 | } | |||
14111 | ||||
14112 | ExprResult Res; | |||
14113 | { | |||
14114 | Sema::TentativeAnalysisScope Trap(*this); | |||
14115 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, | |||
14116 | RefExpr->IgnoreParenImpCasts()); | |||
14117 | } | |||
14118 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr)) { | |||
14119 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
14120 | << RefExpr->getSourceRange(); | |||
14121 | continue; | |||
14122 | } | |||
14123 | } | |||
14124 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | |||
14125 | } | |||
14126 | ||||
14127 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | |||
14128 | TotalDepCount > VarList.size() && | |||
14129 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
14130 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | |||
14131 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
14132 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | |||
14133 | } | |||
14134 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | |||
14135 | Vars.empty()) | |||
14136 | return nullptr; | |||
14137 | ||||
14138 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
14139 | DepKind, DepLoc, ColonLoc, Vars, | |||
14140 | TotalDepCount.getZExtValue()); | |||
14141 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | |||
14142 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | |||
14143 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | |||
14144 | return C; | |||
14145 | } | |||
14146 | ||||
14147 | OMPClause *Sema::ActOnOpenMPDeviceClause(Expr *Device, SourceLocation StartLoc, | |||
14148 | SourceLocation LParenLoc, | |||
14149 | SourceLocation EndLoc) { | |||
14150 | Expr *ValExpr = Device; | |||
14151 | Stmt *HelperValStmt = nullptr; | |||
14152 | ||||
14153 | // OpenMP [2.9.1, Restrictions] | |||
14154 | // The device expression must evaluate to a non-negative integer value. | |||
14155 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | |||
14156 | /*StrictlyPositive=*/false)) | |||
14157 | return nullptr; | |||
14158 | ||||
14159 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
14160 | OpenMPDirectiveKind CaptureRegion = | |||
14161 | getOpenMPCaptureRegionForClause(DKind, OMPC_device); | |||
14162 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
14163 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
14164 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14165 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
14166 | HelperValStmt = buildPreInits(Context, Captures); | |||
14167 | } | |||
14168 | ||||
14169 | return new (Context) OMPDeviceClause(ValExpr, HelperValStmt, CaptureRegion, | |||
14170 | StartLoc, LParenLoc, EndLoc); | |||
14171 | } | |||
14172 | ||||
14173 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | |||
14174 | DSAStackTy *Stack, QualType QTy, | |||
14175 | bool FullCheck = true) { | |||
14176 | NamedDecl *ND; | |||
14177 | if (QTy->isIncompleteType(&ND)) { | |||
14178 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | |||
14179 | return false; | |||
14180 | } | |||
14181 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | |||
14182 | !QTy.isTrivialType(SemaRef.Context)) | |||
14183 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | |||
14184 | return true; | |||
14185 | } | |||
14186 | ||||
14187 | /// Return true if it can be proven that the provided array expression | |||
14188 | /// (array section or array subscript) does NOT specify the whole size of the | |||
14189 | /// array whose base type is \a BaseQTy. | |||
14190 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | |||
14191 | const Expr *E, | |||
14192 | QualType BaseQTy) { | |||
14193 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
14194 | ||||
14195 | // If this is an array subscript, it refers to the whole size if the size of | |||
14196 | // the dimension is constant and equals 1. Also, an array section assumes the | |||
14197 | // format of an array subscript if no colon is used. | |||
14198 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) { | |||
14199 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
14200 | return ATy->getSize().getSExtValue() != 1; | |||
14201 | // Size can't be evaluated statically. | |||
14202 | return false; | |||
14203 | } | |||
14204 | ||||
14205 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14205, __PRETTY_FUNCTION__)); | |||
14206 | const Expr *LowerBound = OASE->getLowerBound(); | |||
14207 | const Expr *Length = OASE->getLength(); | |||
14208 | ||||
14209 | // If there is a lower bound that does not evaluates to zero, we are not | |||
14210 | // covering the whole dimension. | |||
14211 | if (LowerBound) { | |||
14212 | Expr::EvalResult Result; | |||
14213 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
14214 | return false; // Can't get the integer value as a constant. | |||
14215 | ||||
14216 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); | |||
14217 | if (ConstLowerBound.getSExtValue()) | |||
14218 | return true; | |||
14219 | } | |||
14220 | ||||
14221 | // If we don't have a length we covering the whole dimension. | |||
14222 | if (!Length) | |||
14223 | return false; | |||
14224 | ||||
14225 | // If the base is a pointer, we don't have a way to get the size of the | |||
14226 | // pointee. | |||
14227 | if (BaseQTy->isPointerType()) | |||
14228 | return false; | |||
14229 | ||||
14230 | // We can only check if the length is the same as the size of the dimension | |||
14231 | // if we have a constant array. | |||
14232 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | |||
14233 | if (!CATy) | |||
14234 | return false; | |||
14235 | ||||
14236 | Expr::EvalResult Result; | |||
14237 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
14238 | return false; // Can't get the integer value as a constant. | |||
14239 | ||||
14240 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
14241 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | |||
14242 | } | |||
14243 | ||||
14244 | // Return true if it can be proven that the provided array expression (array | |||
14245 | // section or array subscript) does NOT specify a single element of the array | |||
14246 | // whose base type is \a BaseQTy. | |||
14247 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | |||
14248 | const Expr *E, | |||
14249 | QualType BaseQTy) { | |||
14250 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
14251 | ||||
14252 | // An array subscript always refer to a single element. Also, an array section | |||
14253 | // assumes the format of an array subscript if no colon is used. | |||
14254 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) | |||
14255 | return false; | |||
14256 | ||||
14257 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14257, __PRETTY_FUNCTION__)); | |||
14258 | const Expr *Length = OASE->getLength(); | |||
14259 | ||||
14260 | // If we don't have a length we have to check if the array has unitary size | |||
14261 | // for this dimension. Also, we should always expect a length if the base type | |||
14262 | // is pointer. | |||
14263 | if (!Length) { | |||
14264 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
14265 | return ATy->getSize().getSExtValue() != 1; | |||
14266 | // We cannot assume anything. | |||
14267 | return false; | |||
14268 | } | |||
14269 | ||||
14270 | // Check if the length evaluates to 1. | |||
14271 | Expr::EvalResult Result; | |||
14272 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
14273 | return false; // Can't get the integer value as a constant. | |||
14274 | ||||
14275 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
14276 | return ConstLength.getSExtValue() != 1; | |||
14277 | } | |||
14278 | ||||
14279 | // Return the expression of the base of the mappable expression or null if it | |||
14280 | // cannot be determined and do all the necessary checks to see if the expression | |||
14281 | // is valid as a standalone mappable expression. In the process, record all the | |||
14282 | // components of the expression. | |||
14283 | static const Expr *checkMapClauseExpressionBase( | |||
14284 | Sema &SemaRef, Expr *E, | |||
14285 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
14286 | OpenMPClauseKind CKind, bool NoDiagnose) { | |||
14287 | SourceLocation ELoc = E->getExprLoc(); | |||
14288 | SourceRange ERange = E->getSourceRange(); | |||
14289 | ||||
14290 | // The base of elements of list in a map clause have to be either: | |||
14291 | // - a reference to variable or field. | |||
14292 | // - a member expression. | |||
14293 | // - an array expression. | |||
14294 | // | |||
14295 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | |||
14296 | // reference to 'r'. | |||
14297 | // | |||
14298 | // If we have: | |||
14299 | // | |||
14300 | // struct SS { | |||
14301 | // Bla S; | |||
14302 | // foo() { | |||
14303 | // #pragma omp target map (S.Arr[:12]); | |||
14304 | // } | |||
14305 | // } | |||
14306 | // | |||
14307 | // We want to retrieve the member expression 'this->S'; | |||
14308 | ||||
14309 | const Expr *RelevantExpr = nullptr; | |||
14310 | ||||
14311 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.2] | |||
14312 | // If a list item is an array section, it must specify contiguous storage. | |||
14313 | // | |||
14314 | // For this restriction it is sufficient that we make sure only references | |||
14315 | // to variables or fields and array expressions, and that no array sections | |||
14316 | // exist except in the rightmost expression (unless they cover the whole | |||
14317 | // dimension of the array). E.g. these would be invalid: | |||
14318 | // | |||
14319 | // r.ArrS[3:5].Arr[6:7] | |||
14320 | // | |||
14321 | // r.ArrS[3:5].x | |||
14322 | // | |||
14323 | // but these would be valid: | |||
14324 | // r.ArrS[3].Arr[6:7] | |||
14325 | // | |||
14326 | // r.ArrS[3].x | |||
14327 | ||||
14328 | bool AllowUnitySizeArraySection = true; | |||
14329 | bool AllowWholeSizeArraySection = true; | |||
14330 | ||||
14331 | while (!RelevantExpr) { | |||
14332 | E = E->IgnoreParenImpCasts(); | |||
14333 | ||||
14334 | if (auto *CurE = dyn_cast<DeclRefExpr>(E)) { | |||
14335 | if (!isa<VarDecl>(CurE->getDecl())) | |||
14336 | return nullptr; | |||
14337 | ||||
14338 | RelevantExpr = CurE; | |||
14339 | ||||
14340 | // If we got a reference to a declaration, we should not expect any array | |||
14341 | // section before that. | |||
14342 | AllowUnitySizeArraySection = false; | |||
14343 | AllowWholeSizeArraySection = false; | |||
14344 | ||||
14345 | // Record the component. | |||
14346 | CurComponents.emplace_back(CurE, CurE->getDecl()); | |||
14347 | } else if (auto *CurE = dyn_cast<MemberExpr>(E)) { | |||
14348 | Expr *BaseE = CurE->getBase()->IgnoreParenImpCasts(); | |||
14349 | ||||
14350 | if (isa<CXXThisExpr>(BaseE)) | |||
14351 | // We found a base expression: this->Val. | |||
14352 | RelevantExpr = CurE; | |||
14353 | else | |||
14354 | E = BaseE; | |||
14355 | ||||
14356 | if (!isa<FieldDecl>(CurE->getMemberDecl())) { | |||
14357 | if (!NoDiagnose) { | |||
14358 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | |||
14359 | << CurE->getSourceRange(); | |||
14360 | return nullptr; | |||
14361 | } | |||
14362 | if (RelevantExpr) | |||
14363 | return nullptr; | |||
14364 | continue; | |||
14365 | } | |||
14366 | ||||
14367 | auto *FD = cast<FieldDecl>(CurE->getMemberDecl()); | |||
14368 | ||||
14369 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
14370 | // A bit-field cannot appear in a map clause. | |||
14371 | // | |||
14372 | if (FD->isBitField()) { | |||
14373 | if (!NoDiagnose) { | |||
14374 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | |||
14375 | << CurE->getSourceRange() << getOpenMPClauseName(CKind); | |||
14376 | return nullptr; | |||
14377 | } | |||
14378 | if (RelevantExpr) | |||
14379 | return nullptr; | |||
14380 | continue; | |||
14381 | } | |||
14382 | ||||
14383 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
14384 | // If the type of a list item is a reference to a type T then the type | |||
14385 | // will be considered to be T for all purposes of this clause. | |||
14386 | QualType CurType = BaseE->getType().getNonReferenceType(); | |||
14387 | ||||
14388 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | |||
14389 | // A list item cannot be a variable that is a member of a structure with | |||
14390 | // a union type. | |||
14391 | // | |||
14392 | if (CurType->isUnionType()) { | |||
14393 | if (!NoDiagnose) { | |||
14394 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | |||
14395 | << CurE->getSourceRange(); | |||
14396 | return nullptr; | |||
14397 | } | |||
14398 | continue; | |||
14399 | } | |||
14400 | ||||
14401 | // If we got a member expression, we should not expect any array section | |||
14402 | // before that: | |||
14403 | // | |||
14404 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | |||
14405 | // If a list item is an element of a structure, only the rightmost symbol | |||
14406 | // of the variable reference can be an array section. | |||
14407 | // | |||
14408 | AllowUnitySizeArraySection = false; | |||
14409 | AllowWholeSizeArraySection = false; | |||
14410 | ||||
14411 | // Record the component. | |||
14412 | CurComponents.emplace_back(CurE, FD); | |||
14413 | } else if (auto *CurE = dyn_cast<ArraySubscriptExpr>(E)) { | |||
14414 | E = CurE->getBase()->IgnoreParenImpCasts(); | |||
14415 | ||||
14416 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | |||
14417 | if (!NoDiagnose) { | |||
14418 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
14419 | << 0 << CurE->getSourceRange(); | |||
14420 | return nullptr; | |||
14421 | } | |||
14422 | continue; | |||
14423 | } | |||
14424 | ||||
14425 | // If we got an array subscript that express the whole dimension we | |||
14426 | // can have any array expressions before. If it only expressing part of | |||
14427 | // the dimension, we can only have unitary-size array expressions. | |||
14428 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, CurE, | |||
14429 | E->getType())) | |||
14430 | AllowWholeSizeArraySection = false; | |||
14431 | ||||
14432 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | |||
14433 | Expr::EvalResult Result; | |||
14434 | if (CurE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext())) { | |||
14435 | if (!Result.Val.getInt().isNullValue()) { | |||
14436 | SemaRef.Diag(CurE->getIdx()->getExprLoc(), | |||
14437 | diag::err_omp_invalid_map_this_expr); | |||
14438 | SemaRef.Diag(CurE->getIdx()->getExprLoc(), | |||
14439 | diag::note_omp_invalid_subscript_on_this_ptr_map); | |||
14440 | } | |||
14441 | } | |||
14442 | RelevantExpr = TE; | |||
14443 | } | |||
14444 | ||||
14445 | // Record the component - we don't have any declaration associated. | |||
14446 | CurComponents.emplace_back(CurE, nullptr); | |||
14447 | } else if (auto *CurE = dyn_cast<OMPArraySectionExpr>(E)) { | |||
14448 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")((!NoDiagnose && "Array sections cannot be implicitly mapped." ) ? static_cast<void> (0) : __assert_fail ("!NoDiagnose && \"Array sections cannot be implicitly mapped.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14448, __PRETTY_FUNCTION__)); | |||
14449 | E = CurE->getBase()->IgnoreParenImpCasts(); | |||
14450 | ||||
14451 | QualType CurType = | |||
14452 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
14453 | ||||
14454 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
14455 | // If the type of a list item is a reference to a type T then the type | |||
14456 | // will be considered to be T for all purposes of this clause. | |||
14457 | if (CurType->isReferenceType()) | |||
14458 | CurType = CurType->getPointeeType(); | |||
14459 | ||||
14460 | bool IsPointer = CurType->isAnyPointerType(); | |||
14461 | ||||
14462 | if (!IsPointer && !CurType->isArrayType()) { | |||
14463 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
14464 | << 0 << CurE->getSourceRange(); | |||
14465 | return nullptr; | |||
14466 | } | |||
14467 | ||||
14468 | bool NotWhole = | |||
14469 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, CurE, CurType); | |||
14470 | bool NotUnity = | |||
14471 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, CurE, CurType); | |||
14472 | ||||
14473 | if (AllowWholeSizeArraySection) { | |||
14474 | // Any array section is currently allowed. Allowing a whole size array | |||
14475 | // section implies allowing a unity array section as well. | |||
14476 | // | |||
14477 | // If this array section refers to the whole dimension we can still | |||
14478 | // accept other array sections before this one, except if the base is a | |||
14479 | // pointer. Otherwise, only unitary sections are accepted. | |||
14480 | if (NotWhole || IsPointer) | |||
14481 | AllowWholeSizeArraySection = false; | |||
14482 | } else if (AllowUnitySizeArraySection && NotUnity) { | |||
14483 | // A unity or whole array section is not allowed and that is not | |||
14484 | // compatible with the properties of the current array section. | |||
14485 | SemaRef.Diag( | |||
14486 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | |||
14487 | << CurE->getSourceRange(); | |||
14488 | return nullptr; | |||
14489 | } | |||
14490 | ||||
14491 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | |||
14492 | Expr::EvalResult ResultR; | |||
14493 | Expr::EvalResult ResultL; | |||
14494 | if (CurE->getLength()->EvaluateAsInt(ResultR, | |||
14495 | SemaRef.getASTContext())) { | |||
14496 | if (!ResultR.Val.getInt().isOneValue()) { | |||
14497 | SemaRef.Diag(CurE->getLength()->getExprLoc(), | |||
14498 | diag::err_omp_invalid_map_this_expr); | |||
14499 | SemaRef.Diag(CurE->getLength()->getExprLoc(), | |||
14500 | diag::note_omp_invalid_length_on_this_ptr_mapping); | |||
14501 | } | |||
14502 | } | |||
14503 | if (CurE->getLowerBound() && CurE->getLowerBound()->EvaluateAsInt( | |||
14504 | ResultL, SemaRef.getASTContext())) { | |||
14505 | if (!ResultL.Val.getInt().isNullValue()) { | |||
14506 | SemaRef.Diag(CurE->getLowerBound()->getExprLoc(), | |||
14507 | diag::err_omp_invalid_map_this_expr); | |||
14508 | SemaRef.Diag(CurE->getLowerBound()->getExprLoc(), | |||
14509 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); | |||
14510 | } | |||
14511 | } | |||
14512 | RelevantExpr = TE; | |||
14513 | } | |||
14514 | ||||
14515 | // Record the component - we don't have any declaration associated. | |||
14516 | CurComponents.emplace_back(CurE, nullptr); | |||
14517 | } else { | |||
14518 | if (!NoDiagnose) { | |||
14519 | // If nothing else worked, this is not a valid map clause expression. | |||
14520 | SemaRef.Diag( | |||
14521 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | |||
14522 | << ERange; | |||
14523 | } | |||
14524 | return nullptr; | |||
14525 | } | |||
14526 | } | |||
14527 | ||||
14528 | return RelevantExpr; | |||
14529 | } | |||
14530 | ||||
14531 | // Return true if expression E associated with value VD has conflicts with other | |||
14532 | // map information. | |||
14533 | static bool checkMapConflicts( | |||
14534 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, | |||
14535 | bool CurrentRegionOnly, | |||
14536 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | |||
14537 | OpenMPClauseKind CKind) { | |||
14538 | assert(VD && E)((VD && E) ? static_cast<void> (0) : __assert_fail ("VD && E", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14538, __PRETTY_FUNCTION__)); | |||
14539 | SourceLocation ELoc = E->getExprLoc(); | |||
14540 | SourceRange ERange = E->getSourceRange(); | |||
14541 | ||||
14542 | // In order to easily check the conflicts we need to match each component of | |||
14543 | // the expression under test with the components of the expressions that are | |||
14544 | // already in the stack. | |||
14545 | ||||
14546 | assert(!CurComponents.empty() && "Map clause expression with no components!")((!CurComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14546, __PRETTY_FUNCTION__)); | |||
14547 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14548, __PRETTY_FUNCTION__)) | |||
14548 | "Map clause expression with unexpected base!")((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14548, __PRETTY_FUNCTION__)); | |||
14549 | ||||
14550 | // Variables to help detecting enclosing problems in data environment nests. | |||
14551 | bool IsEnclosedByDataEnvironmentExpr = false; | |||
14552 | const Expr *EnclosingExpr = nullptr; | |||
14553 | ||||
14554 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | |||
14555 | VD, CurrentRegionOnly, | |||
14556 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, | |||
14557 | ERange, CKind, &EnclosingExpr, | |||
14558 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
14559 | StackComponents, | |||
14560 | OpenMPClauseKind) { | |||
14561 | assert(!StackComponents.empty() &&((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14562, __PRETTY_FUNCTION__)) | |||
14562 | "Map clause expression with no components!")((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14562, __PRETTY_FUNCTION__)); | |||
14563 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14564, __PRETTY_FUNCTION__)) | |||
14564 | "Map clause expression with unexpected base!")((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14564, __PRETTY_FUNCTION__)); | |||
14565 | (void)VD; | |||
14566 | ||||
14567 | // The whole expression in the stack. | |||
14568 | const Expr *RE = StackComponents.front().getAssociatedExpression(); | |||
14569 | ||||
14570 | // Expressions must start from the same base. Here we detect at which | |||
14571 | // point both expressions diverge from each other and see if we can | |||
14572 | // detect if the memory referred to both expressions is contiguous and | |||
14573 | // do not overlap. | |||
14574 | auto CI = CurComponents.rbegin(); | |||
14575 | auto CE = CurComponents.rend(); | |||
14576 | auto SI = StackComponents.rbegin(); | |||
14577 | auto SE = StackComponents.rend(); | |||
14578 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
14579 | ||||
14580 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | |||
14581 | // At most one list item can be an array item derived from a given | |||
14582 | // variable in map clauses of the same construct. | |||
14583 | if (CurrentRegionOnly && | |||
14584 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | |||
14585 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression())) && | |||
14586 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | |||
14587 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()))) { | |||
14588 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | |||
14589 | diag::err_omp_multiple_array_items_in_map_clause) | |||
14590 | << CI->getAssociatedExpression()->getSourceRange(); | |||
14591 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | |||
14592 | diag::note_used_here) | |||
14593 | << SI->getAssociatedExpression()->getSourceRange(); | |||
14594 | return true; | |||
14595 | } | |||
14596 | ||||
14597 | // Do both expressions have the same kind? | |||
14598 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
14599 | SI->getAssociatedExpression()->getStmtClass()) | |||
14600 | break; | |||
14601 | ||||
14602 | // Are we dealing with different variables/fields? | |||
14603 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | |||
14604 | break; | |||
14605 | } | |||
14606 | // Check if the extra components of the expressions in the enclosing | |||
14607 | // data environment are redundant for the current base declaration. | |||
14608 | // If they are, the maps completely overlap, which is legal. | |||
14609 | for (; SI != SE; ++SI) { | |||
14610 | QualType Type; | |||
14611 | if (const auto *ASE = | |||
14612 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | |||
14613 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | |||
14614 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( | |||
14615 | SI->getAssociatedExpression())) { | |||
14616 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | |||
14617 | Type = | |||
14618 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
14619 | } | |||
14620 | if (Type.isNull() || Type->isAnyPointerType() || | |||
14621 | checkArrayExpressionDoesNotReferToWholeSize( | |||
14622 | SemaRef, SI->getAssociatedExpression(), Type)) | |||
14623 | break; | |||
14624 | } | |||
14625 | ||||
14626 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
14627 | // List items of map clauses in the same construct must not share | |||
14628 | // original storage. | |||
14629 | // | |||
14630 | // If the expressions are exactly the same or one is a subset of the | |||
14631 | // other, it means they are sharing storage. | |||
14632 | if (CI == CE && SI == SE) { | |||
14633 | if (CurrentRegionOnly) { | |||
14634 | if (CKind == OMPC_map) { | |||
14635 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
14636 | } else { | |||
14637 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14637, __PRETTY_FUNCTION__)); | |||
14638 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
14639 | << ERange; | |||
14640 | } | |||
14641 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
14642 | << RE->getSourceRange(); | |||
14643 | return true; | |||
14644 | } | |||
14645 | // If we find the same expression in the enclosing data environment, | |||
14646 | // that is legal. | |||
14647 | IsEnclosedByDataEnvironmentExpr = true; | |||
14648 | return false; | |||
14649 | } | |||
14650 | ||||
14651 | QualType DerivedType = | |||
14652 | std::prev(CI)->getAssociatedDeclaration()->getType(); | |||
14653 | SourceLocation DerivedLoc = | |||
14654 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | |||
14655 | ||||
14656 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
14657 | // If the type of a list item is a reference to a type T then the type | |||
14658 | // will be considered to be T for all purposes of this clause. | |||
14659 | DerivedType = DerivedType.getNonReferenceType(); | |||
14660 | ||||
14661 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | |||
14662 | // A variable for which the type is pointer and an array section | |||
14663 | // derived from that variable must not appear as list items of map | |||
14664 | // clauses of the same construct. | |||
14665 | // | |||
14666 | // Also, cover one of the cases in: | |||
14667 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
14668 | // If any part of the original storage of a list item has corresponding | |||
14669 | // storage in the device data environment, all of the original storage | |||
14670 | // must have corresponding storage in the device data environment. | |||
14671 | // | |||
14672 | if (DerivedType->isAnyPointerType()) { | |||
14673 | if (CI == CE || SI == SE) { | |||
14674 | SemaRef.Diag( | |||
14675 | DerivedLoc, | |||
14676 | diag::err_omp_pointer_mapped_along_with_derived_section) | |||
14677 | << DerivedLoc; | |||
14678 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
14679 | << RE->getSourceRange(); | |||
14680 | return true; | |||
14681 | } | |||
14682 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
14683 | SI->getAssociatedExpression()->getStmtClass() || | |||
14684 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | |||
14685 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | |||
14686 | assert(CI != CE && SI != SE)((CI != CE && SI != SE) ? static_cast<void> (0) : __assert_fail ("CI != CE && SI != SE", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14686, __PRETTY_FUNCTION__)); | |||
14687 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | |||
14688 | << DerivedLoc; | |||
14689 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
14690 | << RE->getSourceRange(); | |||
14691 | return true; | |||
14692 | } | |||
14693 | } | |||
14694 | ||||
14695 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
14696 | // List items of map clauses in the same construct must not share | |||
14697 | // original storage. | |||
14698 | // | |||
14699 | // An expression is a subset of the other. | |||
14700 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | |||
14701 | if (CKind == OMPC_map) { | |||
14702 | if (CI != CE || SI != SE) { | |||
14703 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is | |||
14704 | // a pointer. | |||
14705 | auto Begin = | |||
14706 | CI != CE ? CurComponents.begin() : StackComponents.begin(); | |||
14707 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); | |||
14708 | auto It = Begin; | |||
14709 | while (It != End && !It->getAssociatedDeclaration()) | |||
14710 | std::advance(It, 1); | |||
14711 | assert(It != End &&((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14712, __PRETTY_FUNCTION__)) | |||
14712 | "Expected at least one component with the declaration.")((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14712, __PRETTY_FUNCTION__)); | |||
14713 | if (It != Begin && It->getAssociatedDeclaration() | |||
14714 | ->getType() | |||
14715 | .getCanonicalType() | |||
14716 | ->isAnyPointerType()) { | |||
14717 | IsEnclosedByDataEnvironmentExpr = false; | |||
14718 | EnclosingExpr = nullptr; | |||
14719 | return false; | |||
14720 | } | |||
14721 | } | |||
14722 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
14723 | } else { | |||
14724 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14724, __PRETTY_FUNCTION__)); | |||
14725 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
14726 | << ERange; | |||
14727 | } | |||
14728 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
14729 | << RE->getSourceRange(); | |||
14730 | return true; | |||
14731 | } | |||
14732 | ||||
14733 | // The current expression uses the same base as other expression in the | |||
14734 | // data environment but does not contain it completely. | |||
14735 | if (!CurrentRegionOnly && SI != SE) | |||
14736 | EnclosingExpr = RE; | |||
14737 | ||||
14738 | // The current expression is a subset of the expression in the data | |||
14739 | // environment. | |||
14740 | IsEnclosedByDataEnvironmentExpr |= | |||
14741 | (!CurrentRegionOnly && CI != CE && SI == SE); | |||
14742 | ||||
14743 | return false; | |||
14744 | }); | |||
14745 | ||||
14746 | if (CurrentRegionOnly) | |||
14747 | return FoundError; | |||
14748 | ||||
14749 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
14750 | // If any part of the original storage of a list item has corresponding | |||
14751 | // storage in the device data environment, all of the original storage must | |||
14752 | // have corresponding storage in the device data environment. | |||
14753 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | |||
14754 | // If a list item is an element of a structure, and a different element of | |||
14755 | // the structure has a corresponding list item in the device data environment | |||
14756 | // prior to a task encountering the construct associated with the map clause, | |||
14757 | // then the list item must also have a corresponding list item in the device | |||
14758 | // data environment prior to the task encountering the construct. | |||
14759 | // | |||
14760 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | |||
14761 | SemaRef.Diag(ELoc, | |||
14762 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | |||
14763 | << ERange; | |||
14764 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | |||
14765 | << EnclosingExpr->getSourceRange(); | |||
14766 | return true; | |||
14767 | } | |||
14768 | ||||
14769 | return FoundError; | |||
14770 | } | |||
14771 | ||||
14772 | // Look up the user-defined mapper given the mapper name and mapped type, and | |||
14773 | // build a reference to it. | |||
14774 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | |||
14775 | CXXScopeSpec &MapperIdScopeSpec, | |||
14776 | const DeclarationNameInfo &MapperId, | |||
14777 | QualType Type, | |||
14778 | Expr *UnresolvedMapper) { | |||
14779 | if (MapperIdScopeSpec.isInvalid()) | |||
14780 | return ExprError(); | |||
14781 | // Get the actual type for the array type. | |||
14782 | if (Type->isArrayType()) { | |||
14783 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")((Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type" ) ? static_cast<void> (0) : __assert_fail ("Type->getAsArrayTypeUnsafe() && \"Expect to get a valid array type\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14783, __PRETTY_FUNCTION__)); | |||
14784 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); | |||
14785 | } | |||
14786 | // Find all user-defined mappers with the given MapperId. | |||
14787 | SmallVector<UnresolvedSet<8>, 4> Lookups; | |||
14788 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); | |||
14789 | Lookup.suppressDiagnostics(); | |||
14790 | if (S) { | |||
14791 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { | |||
14792 | NamedDecl *D = Lookup.getRepresentativeDecl(); | |||
14793 | while (S && !S->isDeclScope(D)) | |||
14794 | S = S->getParent(); | |||
14795 | if (S) | |||
14796 | S = S->getParent(); | |||
14797 | Lookups.emplace_back(); | |||
14798 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
14799 | Lookup.clear(); | |||
14800 | } | |||
14801 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { | |||
14802 | // Extract the user-defined mappers with the given MapperId. | |||
14803 | Lookups.push_back(UnresolvedSet<8>()); | |||
14804 | for (NamedDecl *D : ULE->decls()) { | |||
14805 | auto *DMD = cast<OMPDeclareMapperDecl>(D); | |||
14806 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")((DMD && "Expect valid OMPDeclareMapperDecl during instantiation." ) ? static_cast<void> (0) : __assert_fail ("DMD && \"Expect valid OMPDeclareMapperDecl during instantiation.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14806, __PRETTY_FUNCTION__)); | |||
14807 | Lookups.back().addDecl(DMD); | |||
14808 | } | |||
14809 | } | |||
14810 | // Defer the lookup for dependent types. The results will be passed through | |||
14811 | // UnresolvedMapper on instantiation. | |||
14812 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || | |||
14813 | Type->isInstantiationDependentType() || | |||
14814 | Type->containsUnexpandedParameterPack() || | |||
14815 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | |||
14816 | return !D->isInvalidDecl() && | |||
14817 | (D->getType()->isDependentType() || | |||
14818 | D->getType()->isInstantiationDependentType() || | |||
14819 | D->getType()->containsUnexpandedParameterPack()); | |||
14820 | })) { | |||
14821 | UnresolvedSet<8> URS; | |||
14822 | for (const UnresolvedSet<8> &Set : Lookups) { | |||
14823 | if (Set.empty()) | |||
14824 | continue; | |||
14825 | URS.append(Set.begin(), Set.end()); | |||
14826 | } | |||
14827 | return UnresolvedLookupExpr::Create( | |||
14828 | SemaRef.Context, /*NamingClass=*/nullptr, | |||
14829 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, | |||
14830 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); | |||
14831 | } | |||
14832 | SourceLocation Loc = MapperId.getLoc(); | |||
14833 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
14834 | // The type must be of struct, union or class type in C and C++ | |||
14835 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && | |||
14836 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { | |||
14837 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); | |||
14838 | return ExprError(); | |||
14839 | } | |||
14840 | // Perform argument dependent lookup. | |||
14841 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) | |||
14842 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); | |||
14843 | // Return the first user-defined mapper with the desired type. | |||
14844 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
14845 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { | |||
14846 | if (!D->isInvalidDecl() && | |||
14847 | SemaRef.Context.hasSameType(D->getType(), Type)) | |||
14848 | return D; | |||
14849 | return nullptr; | |||
14850 | })) | |||
14851 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | |||
14852 | // Find the first user-defined mapper with a type derived from the desired | |||
14853 | // type. | |||
14854 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
14855 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { | |||
14856 | if (!D->isInvalidDecl() && | |||
14857 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && | |||
14858 | !Type.isMoreQualifiedThan(D->getType())) | |||
14859 | return D; | |||
14860 | return nullptr; | |||
14861 | })) { | |||
14862 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | |||
14863 | /*DetectVirtual=*/false); | |||
14864 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { | |||
14865 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | |||
14866 | VD->getType().getUnqualifiedType()))) { | |||
14867 | if (SemaRef.CheckBaseClassAccess( | |||
14868 | Loc, VD->getType(), Type, Paths.front(), | |||
14869 | /*DiagID=*/0) != Sema::AR_inaccessible) { | |||
14870 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | |||
14871 | } | |||
14872 | } | |||
14873 | } | |||
14874 | } | |||
14875 | // Report error if a mapper is specified, but cannot be found. | |||
14876 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { | |||
14877 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) | |||
14878 | << Type << MapperId.getName(); | |||
14879 | return ExprError(); | |||
14880 | } | |||
14881 | return ExprEmpty(); | |||
14882 | } | |||
14883 | ||||
14884 | namespace { | |||
14885 | // Utility struct that gathers all the related lists associated with a mappable | |||
14886 | // expression. | |||
14887 | struct MappableVarListInfo { | |||
14888 | // The list of expressions. | |||
14889 | ArrayRef<Expr *> VarList; | |||
14890 | // The list of processed expressions. | |||
14891 | SmallVector<Expr *, 16> ProcessedVarList; | |||
14892 | // The mappble components for each expression. | |||
14893 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | |||
14894 | // The base declaration of the variable. | |||
14895 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | |||
14896 | // The reference to the user-defined mapper associated with every expression. | |||
14897 | SmallVector<Expr *, 16> UDMapperList; | |||
14898 | ||||
14899 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | |||
14900 | // We have a list of components and base declarations for each entry in the | |||
14901 | // variable list. | |||
14902 | VarComponents.reserve(VarList.size()); | |||
14903 | VarBaseDeclarations.reserve(VarList.size()); | |||
14904 | } | |||
14905 | }; | |||
14906 | } | |||
14907 | ||||
14908 | // Check the validity of the provided variable list for the provided clause kind | |||
14909 | // \a CKind. In the check process the valid expressions, mappable expression | |||
14910 | // components, variables, and user-defined mappers are extracted and used to | |||
14911 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a | |||
14912 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, | |||
14913 | // and \a MapperId are expected to be valid if the clause kind is 'map'. | |||
14914 | static void checkMappableExpressionList( | |||
14915 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, | |||
14916 | MappableVarListInfo &MVLI, SourceLocation StartLoc, | |||
14917 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, | |||
14918 | ArrayRef<Expr *> UnresolvedMappers, | |||
14919 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | |||
14920 | bool IsMapTypeImplicit = false) { | |||
14921 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | |||
14922 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14923, __PRETTY_FUNCTION__)) | |||
14923 | "Unexpected clause kind with mappable expressions!")(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14923, __PRETTY_FUNCTION__)); | |||
14924 | ||||
14925 | // If the identifier of user-defined mapper is not specified, it is "default". | |||
14926 | // We do not change the actual name in this clause to distinguish whether a | |||
14927 | // mapper is specified explicitly, i.e., it is not explicitly specified when | |||
14928 | // MapperId.getName() is empty. | |||
14929 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { | |||
14930 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; | |||
14931 | MapperId.setName(DeclNames.getIdentifier( | |||
14932 | &SemaRef.getASTContext().Idents.get("default"))); | |||
14933 | } | |||
14934 | ||||
14935 | // Iterators to find the current unresolved mapper expression. | |||
14936 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); | |||
14937 | bool UpdateUMIt = false; | |||
14938 | Expr *UnresolvedMapper = nullptr; | |||
14939 | ||||
14940 | // Keep track of the mappable components and base declarations in this clause. | |||
14941 | // Each entry in the list is going to have a list of components associated. We | |||
14942 | // record each set of the components so that we can build the clause later on. | |||
14943 | // In the end we should have the same amount of declarations and component | |||
14944 | // lists. | |||
14945 | ||||
14946 | for (Expr *RE : MVLI.VarList) { | |||
14947 | assert(RE && "Null expr in omp to/from/map clause")((RE && "Null expr in omp to/from/map clause") ? static_cast <void> (0) : __assert_fail ("RE && \"Null expr in omp to/from/map clause\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14947, __PRETTY_FUNCTION__)); | |||
14948 | SourceLocation ELoc = RE->getExprLoc(); | |||
14949 | ||||
14950 | // Find the current unresolved mapper expression. | |||
14951 | if (UpdateUMIt && UMIt != UMEnd) { | |||
14952 | UMIt++; | |||
14953 | assert(((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14955, __PRETTY_FUNCTION__)) | |||
14954 | UMIt != UMEnd &&((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14955, __PRETTY_FUNCTION__)) | |||
14955 | "Expect the size of UnresolvedMappers to match with that of VarList")((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14955, __PRETTY_FUNCTION__)); | |||
14956 | } | |||
14957 | UpdateUMIt = true; | |||
14958 | if (UMIt != UMEnd) | |||
14959 | UnresolvedMapper = *UMIt; | |||
14960 | ||||
14961 | const Expr *VE = RE->IgnoreParenLValueCasts(); | |||
14962 | ||||
14963 | if (VE->isValueDependent() || VE->isTypeDependent() || | |||
14964 | VE->isInstantiationDependent() || | |||
14965 | VE->containsUnexpandedParameterPack()) { | |||
14966 | // Try to find the associated user-defined mapper. | |||
14967 | ExprResult ER = buildUserDefinedMapperRef( | |||
14968 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
14969 | VE->getType().getCanonicalType(), UnresolvedMapper); | |||
14970 | if (ER.isInvalid()) | |||
14971 | continue; | |||
14972 | MVLI.UDMapperList.push_back(ER.get()); | |||
14973 | // We can only analyze this information once the missing information is | |||
14974 | // resolved. | |||
14975 | MVLI.ProcessedVarList.push_back(RE); | |||
14976 | continue; | |||
14977 | } | |||
14978 | ||||
14979 | Expr *SimpleExpr = RE->IgnoreParenCasts(); | |||
14980 | ||||
14981 | if (!RE->IgnoreParenImpCasts()->isLValue()) { | |||
14982 | SemaRef.Diag(ELoc, | |||
14983 | diag::err_omp_expected_named_var_member_or_array_expression) | |||
14984 | << RE->getSourceRange(); | |||
14985 | continue; | |||
14986 | } | |||
14987 | ||||
14988 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
14989 | ValueDecl *CurDeclaration = nullptr; | |||
14990 | ||||
14991 | // Obtain the array or member expression bases if required. Also, fill the | |||
14992 | // components array with all the components identified in the process. | |||
14993 | const Expr *BE = checkMapClauseExpressionBase( | |||
14994 | SemaRef, SimpleExpr, CurComponents, CKind, /*NoDiagnose=*/false); | |||
14995 | if (!BE) | |||
14996 | continue; | |||
14997 | ||||
14998 | assert(!CurComponents.empty() &&((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14999, __PRETTY_FUNCTION__)) | |||
14999 | "Invalid mappable expression information.")((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 14999, __PRETTY_FUNCTION__)); | |||
15000 | ||||
15001 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { | |||
15002 | // Add store "this" pointer to class in DSAStackTy for future checking | |||
15003 | DSAS->addMappedClassesQualTypes(TE->getType()); | |||
15004 | // Try to find the associated user-defined mapper. | |||
15005 | ExprResult ER = buildUserDefinedMapperRef( | |||
15006 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
15007 | VE->getType().getCanonicalType(), UnresolvedMapper); | |||
15008 | if (ER.isInvalid()) | |||
15009 | continue; | |||
15010 | MVLI.UDMapperList.push_back(ER.get()); | |||
15011 | // Skip restriction checking for variable or field declarations | |||
15012 | MVLI.ProcessedVarList.push_back(RE); | |||
15013 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
15014 | MVLI.VarComponents.back().append(CurComponents.begin(), | |||
15015 | CurComponents.end()); | |||
15016 | MVLI.VarBaseDeclarations.push_back(nullptr); | |||
15017 | continue; | |||
15018 | } | |||
15019 | ||||
15020 | // For the following checks, we rely on the base declaration which is | |||
15021 | // expected to be associated with the last component. The declaration is | |||
15022 | // expected to be a variable or a field (if 'this' is being mapped). | |||
15023 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | |||
15024 | assert(CurDeclaration && "Null decl on map clause.")((CurDeclaration && "Null decl on map clause.") ? static_cast <void> (0) : __assert_fail ("CurDeclaration && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15024, __PRETTY_FUNCTION__)); | |||
15025 | assert(((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15027, __PRETTY_FUNCTION__)) | |||
15026 | CurDeclaration->isCanonicalDecl() &&((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15027, __PRETTY_FUNCTION__)) | |||
15027 | "Expecting components to have associated only canonical declarations.")((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15027, __PRETTY_FUNCTION__)); | |||
15028 | ||||
15029 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | |||
15030 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | |||
15031 | ||||
15032 | assert((VD || FD) && "Only variables or fields are expected here!")(((VD || FD) && "Only variables or fields are expected here!" ) ? static_cast<void> (0) : __assert_fail ("(VD || FD) && \"Only variables or fields are expected here!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15032, __PRETTY_FUNCTION__)); | |||
15033 | (void)FD; | |||
15034 | ||||
15035 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | |||
15036 | // threadprivate variables cannot appear in a map clause. | |||
15037 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
15038 | // threadprivate variables cannot appear in a from clause. | |||
15039 | if (VD && DSAS->isThreadPrivate(VD)) { | |||
15040 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | |||
15041 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | |||
15042 | << getOpenMPClauseName(CKind); | |||
15043 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); | |||
15044 | continue; | |||
15045 | } | |||
15046 | ||||
15047 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
15048 | // A list item cannot appear in both a map clause and a data-sharing | |||
15049 | // attribute clause on the same construct. | |||
15050 | ||||
15051 | // Check conflicts with other map clause expressions. We check the conflicts | |||
15052 | // with the current construct separately from the enclosing data | |||
15053 | // environment, because the restrictions are different. We only have to | |||
15054 | // check conflicts across regions for the map clauses. | |||
15055 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
15056 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | |||
15057 | break; | |||
15058 | if (CKind == OMPC_map && | |||
15059 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
15060 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | |||
15061 | break; | |||
15062 | ||||
15063 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
15064 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
15065 | // If the type of a list item is a reference to a type T then the type will | |||
15066 | // be considered to be T for all purposes of this clause. | |||
15067 | auto I = llvm::find_if( | |||
15068 | CurComponents, | |||
15069 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { | |||
15070 | return MC.getAssociatedDeclaration(); | |||
15071 | }); | |||
15072 | assert(I != CurComponents.end() && "Null decl on map clause.")((I != CurComponents.end() && "Null decl on map clause." ) ? static_cast<void> (0) : __assert_fail ("I != CurComponents.end() && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15072, __PRETTY_FUNCTION__)); | |||
15073 | QualType Type = | |||
15074 | I->getAssociatedDeclaration()->getType().getNonReferenceType(); | |||
15075 | ||||
15076 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | |||
15077 | // A list item in a to or from clause must have a mappable type. | |||
15078 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
15079 | // A list item must have a mappable type. | |||
15080 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | |||
15081 | DSAS, Type)) | |||
15082 | continue; | |||
15083 | ||||
15084 | if (CKind == OMPC_map) { | |||
15085 | // target enter data | |||
15086 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
15087 | // A map-type must be specified in all map clauses and must be either | |||
15088 | // to or alloc. | |||
15089 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | |||
15090 | if (DKind == OMPD_target_enter_data && | |||
15091 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | |||
15092 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
15093 | << (IsMapTypeImplicit ? 1 : 0) | |||
15094 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
15095 | << getOpenMPDirectiveName(DKind); | |||
15096 | continue; | |||
15097 | } | |||
15098 | ||||
15099 | // target exit_data | |||
15100 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
15101 | // A map-type must be specified in all map clauses and must be either | |||
15102 | // from, release, or delete. | |||
15103 | if (DKind == OMPD_target_exit_data && | |||
15104 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | |||
15105 | MapType == OMPC_MAP_delete)) { | |||
15106 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
15107 | << (IsMapTypeImplicit ? 1 : 0) | |||
15108 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
15109 | << getOpenMPDirectiveName(DKind); | |||
15110 | continue; | |||
15111 | } | |||
15112 | ||||
15113 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
15114 | // A list item cannot appear in both a map clause and a data-sharing | |||
15115 | // attribute clause on the same construct | |||
15116 | // | |||
15117 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
15118 | // A list item cannot appear in both a map clause and a data-sharing | |||
15119 | // attribute clause on the same construct unless the construct is a | |||
15120 | // combined construct. | |||
15121 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && | |||
15122 | isOpenMPTargetExecutionDirective(DKind)) || | |||
15123 | DKind == OMPD_target)) { | |||
15124 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | |||
15125 | if (isOpenMPPrivate(DVar.CKind)) { | |||
15126 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
15127 | << getOpenMPClauseName(DVar.CKind) | |||
15128 | << getOpenMPClauseName(OMPC_map) | |||
15129 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | |||
15130 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); | |||
15131 | continue; | |||
15132 | } | |||
15133 | } | |||
15134 | } | |||
15135 | ||||
15136 | // Try to find the associated user-defined mapper. | |||
15137 | ExprResult ER = buildUserDefinedMapperRef( | |||
15138 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
15139 | Type.getCanonicalType(), UnresolvedMapper); | |||
15140 | if (ER.isInvalid()) | |||
15141 | continue; | |||
15142 | MVLI.UDMapperList.push_back(ER.get()); | |||
15143 | ||||
15144 | // Save the current expression. | |||
15145 | MVLI.ProcessedVarList.push_back(RE); | |||
15146 | ||||
15147 | // Store the components in the stack so that they can be used to check | |||
15148 | // against other clauses later on. | |||
15149 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | |||
15150 | /*WhereFoundClauseKind=*/OMPC_map); | |||
15151 | ||||
15152 | // Save the components and declaration to create the clause. For purposes of | |||
15153 | // the clause creation, any component list that has has base 'this' uses | |||
15154 | // null as base declaration. | |||
15155 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
15156 | MVLI.VarComponents.back().append(CurComponents.begin(), | |||
15157 | CurComponents.end()); | |||
15158 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | |||
15159 | : CurDeclaration); | |||
15160 | } | |||
15161 | } | |||
15162 | ||||
15163 | OMPClause *Sema::ActOnOpenMPMapClause( | |||
15164 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | |||
15165 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | |||
15166 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | |||
15167 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, | |||
15168 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | |||
15169 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | |||
15170 | OpenMPMapModifierKind Modifiers[] = {OMPC_MAP_MODIFIER_unknown, | |||
15171 | OMPC_MAP_MODIFIER_unknown, | |||
15172 | OMPC_MAP_MODIFIER_unknown}; | |||
15173 | SourceLocation ModifiersLoc[OMPMapClause::NumberOfModifiers]; | |||
15174 | ||||
15175 | // Process map-type-modifiers, flag errors for duplicate modifiers. | |||
15176 | unsigned Count = 0; | |||
15177 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { | |||
15178 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && | |||
15179 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { | |||
15180 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); | |||
15181 | continue; | |||
15182 | } | |||
15183 | assert(Count < OMPMapClause::NumberOfModifiers &&((Count < OMPMapClause::NumberOfModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < OMPMapClause::NumberOfModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15184, __PRETTY_FUNCTION__)) | |||
15184 | "Modifiers exceed the allowed number of map type modifiers")((Count < OMPMapClause::NumberOfModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < OMPMapClause::NumberOfModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15184, __PRETTY_FUNCTION__)); | |||
15185 | Modifiers[Count] = MapTypeModifiers[I]; | |||
15186 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; | |||
15187 | ++Count; | |||
15188 | } | |||
15189 | ||||
15190 | MappableVarListInfo MVLI(VarList); | |||
15191 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, | |||
15192 | MapperIdScopeSpec, MapperId, UnresolvedMappers, | |||
15193 | MapType, IsMapTypeImplicit); | |||
15194 | ||||
15195 | // We need to produce a map clause even if we don't have variables so that | |||
15196 | // other diagnostics related with non-existing map clauses are accurate. | |||
15197 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, | |||
15198 | MVLI.VarBaseDeclarations, MVLI.VarComponents, | |||
15199 | MVLI.UDMapperList, Modifiers, ModifiersLoc, | |||
15200 | MapperIdScopeSpec.getWithLocInContext(Context), | |||
15201 | MapperId, MapType, IsMapTypeImplicit, MapLoc); | |||
15202 | } | |||
15203 | ||||
15204 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | |||
15205 | TypeResult ParsedType) { | |||
15206 | assert(ParsedType.isUsable())((ParsedType.isUsable()) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable()", "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15206, __PRETTY_FUNCTION__)); | |||
15207 | ||||
15208 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | |||
15209 | if (ReductionType.isNull()) | |||
15210 | return QualType(); | |||
15211 | ||||
15212 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | |||
15213 | // A type name in a declare reduction directive cannot be a function type, an | |||
15214 | // array type, a reference type, or a type qualified with const, volatile or | |||
15215 | // restrict. | |||
15216 | if (ReductionType.hasQualifiers()) { | |||
15217 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | |||
15218 | return QualType(); | |||
15219 | } | |||
15220 | ||||
15221 | if (ReductionType->isFunctionType()) { | |||
15222 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | |||
15223 | return QualType(); | |||
15224 | } | |||
15225 | if (ReductionType->isReferenceType()) { | |||
15226 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | |||
15227 | return QualType(); | |||
15228 | } | |||
15229 | if (ReductionType->isArrayType()) { | |||
15230 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | |||
15231 | return QualType(); | |||
15232 | } | |||
15233 | return ReductionType; | |||
15234 | } | |||
15235 | ||||
15236 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | |||
15237 | Scope *S, DeclContext *DC, DeclarationName Name, | |||
15238 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | |||
15239 | AccessSpecifier AS, Decl *PrevDeclInScope) { | |||
15240 | SmallVector<Decl *, 8> Decls; | |||
15241 | Decls.reserve(ReductionTypes.size()); | |||
15242 | ||||
15243 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | |||
15244 | forRedeclarationInCurContext()); | |||
15245 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | |||
15246 | // A reduction-identifier may not be re-declared in the current scope for the | |||
15247 | // same type or for a type that is compatible according to the base language | |||
15248 | // rules. | |||
15249 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | |||
15250 | OMPDeclareReductionDecl *PrevDRD = nullptr; | |||
15251 | bool InCompoundScope = true; | |||
15252 | if (S != nullptr) { | |||
15253 | // Find previous declaration with the same name not referenced in other | |||
15254 | // declarations. | |||
15255 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | |||
15256 | InCompoundScope = | |||
15257 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | |||
15258 | LookupName(Lookup, S); | |||
15259 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | |||
15260 | /*AllowInlineNamespace=*/false); | |||
15261 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | |||
15262 | LookupResult::Filter Filter = Lookup.makeFilter(); | |||
15263 | while (Filter.hasNext()) { | |||
15264 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | |||
15265 | if (InCompoundScope) { | |||
15266 | auto I = UsedAsPrevious.find(PrevDecl); | |||
15267 | if (I == UsedAsPrevious.end()) | |||
15268 | UsedAsPrevious[PrevDecl] = false; | |||
15269 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) | |||
15270 | UsedAsPrevious[D] = true; | |||
15271 | } | |||
15272 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | |||
15273 | PrevDecl->getLocation(); | |||
15274 | } | |||
15275 | Filter.done(); | |||
15276 | if (InCompoundScope) { | |||
15277 | for (const auto &PrevData : UsedAsPrevious) { | |||
15278 | if (!PrevData.second) { | |||
15279 | PrevDRD = PrevData.first; | |||
15280 | break; | |||
15281 | } | |||
15282 | } | |||
15283 | } | |||
15284 | } else if (PrevDeclInScope != nullptr) { | |||
15285 | auto *PrevDRDInScope = PrevDRD = | |||
15286 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | |||
15287 | do { | |||
15288 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | |||
15289 | PrevDRDInScope->getLocation(); | |||
15290 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | |||
15291 | } while (PrevDRDInScope != nullptr); | |||
15292 | } | |||
15293 | for (const auto &TyData : ReductionTypes) { | |||
15294 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | |||
15295 | bool Invalid = false; | |||
15296 | if (I != PreviousRedeclTypes.end()) { | |||
15297 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | |||
15298 | << TyData.first; | |||
15299 | Diag(I->second, diag::note_previous_definition); | |||
15300 | Invalid = true; | |||
15301 | } | |||
15302 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | |||
15303 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | |||
15304 | Name, TyData.first, PrevDRD); | |||
15305 | DC->addDecl(DRD); | |||
15306 | DRD->setAccess(AS); | |||
15307 | Decls.push_back(DRD); | |||
15308 | if (Invalid) | |||
15309 | DRD->setInvalidDecl(); | |||
15310 | else | |||
15311 | PrevDRD = DRD; | |||
15312 | } | |||
15313 | ||||
15314 | return DeclGroupPtrTy::make( | |||
15315 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | |||
15316 | } | |||
15317 | ||||
15318 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | |||
15319 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
15320 | ||||
15321 | // Enter new function scope. | |||
15322 | PushFunctionScope(); | |||
15323 | setFunctionHasBranchProtectedScope(); | |||
15324 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | |||
15325 | ||||
15326 | if (S != nullptr) | |||
15327 | PushDeclContext(S, DRD); | |||
15328 | else | |||
15329 | CurContext = DRD; | |||
15330 | ||||
15331 | PushExpressionEvaluationContext( | |||
15332 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
15333 | ||||
15334 | QualType ReductionType = DRD->getType(); | |||
15335 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | |||
15336 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | |||
15337 | // uses semantics of argument handles by value, but it should be passed by | |||
15338 | // reference. C lang does not support references, so pass all parameters as | |||
15339 | // pointers. | |||
15340 | // Create 'T omp_in;' variable. | |||
15341 | VarDecl *OmpInParm = | |||
15342 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | |||
15343 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | |||
15344 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | |||
15345 | // uses semantics of argument handles by value, but it should be passed by | |||
15346 | // reference. C lang does not support references, so pass all parameters as | |||
15347 | // pointers. | |||
15348 | // Create 'T omp_out;' variable. | |||
15349 | VarDecl *OmpOutParm = | |||
15350 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | |||
15351 | if (S != nullptr) { | |||
15352 | PushOnScopeChains(OmpInParm, S); | |||
15353 | PushOnScopeChains(OmpOutParm, S); | |||
15354 | } else { | |||
15355 | DRD->addDecl(OmpInParm); | |||
15356 | DRD->addDecl(OmpOutParm); | |||
15357 | } | |||
15358 | Expr *InE = | |||
15359 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); | |||
15360 | Expr *OutE = | |||
15361 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); | |||
15362 | DRD->setCombinerData(InE, OutE); | |||
15363 | } | |||
15364 | ||||
15365 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | |||
15366 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
15367 | DiscardCleanupsInEvaluationContext(); | |||
15368 | PopExpressionEvaluationContext(); | |||
15369 | ||||
15370 | PopDeclContext(); | |||
15371 | PopFunctionScopeInfo(); | |||
15372 | ||||
15373 | if (Combiner != nullptr) | |||
15374 | DRD->setCombiner(Combiner); | |||
15375 | else | |||
15376 | DRD->setInvalidDecl(); | |||
15377 | } | |||
15378 | ||||
15379 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | |||
15380 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
15381 | ||||
15382 | // Enter new function scope. | |||
15383 | PushFunctionScope(); | |||
15384 | setFunctionHasBranchProtectedScope(); | |||
15385 | ||||
15386 | if (S != nullptr) | |||
15387 | PushDeclContext(S, DRD); | |||
15388 | else | |||
15389 | CurContext = DRD; | |||
15390 | ||||
15391 | PushExpressionEvaluationContext( | |||
15392 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
15393 | ||||
15394 | QualType ReductionType = DRD->getType(); | |||
15395 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | |||
15396 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | |||
15397 | // uses semantics of argument handles by value, but it should be passed by | |||
15398 | // reference. C lang does not support references, so pass all parameters as | |||
15399 | // pointers. | |||
15400 | // Create 'T omp_priv;' variable. | |||
15401 | VarDecl *OmpPrivParm = | |||
15402 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | |||
15403 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | |||
15404 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | |||
15405 | // uses semantics of argument handles by value, but it should be passed by | |||
15406 | // reference. C lang does not support references, so pass all parameters as | |||
15407 | // pointers. | |||
15408 | // Create 'T omp_orig;' variable. | |||
15409 | VarDecl *OmpOrigParm = | |||
15410 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | |||
15411 | if (S != nullptr) { | |||
15412 | PushOnScopeChains(OmpPrivParm, S); | |||
15413 | PushOnScopeChains(OmpOrigParm, S); | |||
15414 | } else { | |||
15415 | DRD->addDecl(OmpPrivParm); | |||
15416 | DRD->addDecl(OmpOrigParm); | |||
15417 | } | |||
15418 | Expr *OrigE = | |||
15419 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); | |||
15420 | Expr *PrivE = | |||
15421 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); | |||
15422 | DRD->setInitializerData(OrigE, PrivE); | |||
15423 | return OmpPrivParm; | |||
15424 | } | |||
15425 | ||||
15426 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | |||
15427 | VarDecl *OmpPrivParm) { | |||
15428 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
15429 | DiscardCleanupsInEvaluationContext(); | |||
15430 | PopExpressionEvaluationContext(); | |||
15431 | ||||
15432 | PopDeclContext(); | |||
15433 | PopFunctionScopeInfo(); | |||
15434 | ||||
15435 | if (Initializer != nullptr) { | |||
15436 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | |||
15437 | } else if (OmpPrivParm->hasInit()) { | |||
15438 | DRD->setInitializer(OmpPrivParm->getInit(), | |||
15439 | OmpPrivParm->isDirectInit() | |||
15440 | ? OMPDeclareReductionDecl::DirectInit | |||
15441 | : OMPDeclareReductionDecl::CopyInit); | |||
15442 | } else { | |||
15443 | DRD->setInvalidDecl(); | |||
15444 | } | |||
15445 | } | |||
15446 | ||||
15447 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | |||
15448 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | |||
15449 | for (Decl *D : DeclReductions.get()) { | |||
15450 | if (IsValid) { | |||
15451 | if (S) | |||
15452 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, | |||
15453 | /*AddToContext=*/false); | |||
15454 | } else { | |||
15455 | D->setInvalidDecl(); | |||
15456 | } | |||
15457 | } | |||
15458 | return DeclReductions; | |||
15459 | } | |||
15460 | ||||
15461 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { | |||
15462 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | |||
15463 | QualType T = TInfo->getType(); | |||
15464 | if (D.isInvalidType()) | |||
15465 | return true; | |||
15466 | ||||
15467 | if (getLangOpts().CPlusPlus) { | |||
15468 | // Check that there are no default arguments (C++ only). | |||
15469 | CheckExtraCXXDefaultArguments(D); | |||
15470 | } | |||
15471 | ||||
15472 | return CreateParsedType(T, TInfo); | |||
15473 | } | |||
15474 | ||||
15475 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, | |||
15476 | TypeResult ParsedType) { | |||
15477 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")((ParsedType.isUsable() && "Expect usable parsed mapper type" ) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable() && \"Expect usable parsed mapper type\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15477, __PRETTY_FUNCTION__)); | |||
15478 | ||||
15479 | QualType MapperType = GetTypeFromParser(ParsedType.get()); | |||
15480 | assert(!MapperType.isNull() && "Expect valid mapper type")((!MapperType.isNull() && "Expect valid mapper type") ? static_cast<void> (0) : __assert_fail ("!MapperType.isNull() && \"Expect valid mapper type\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15480, __PRETTY_FUNCTION__)); | |||
15481 | ||||
15482 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
15483 | // The type must be of struct, union or class type in C and C++ | |||
15484 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { | |||
15485 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); | |||
15486 | return QualType(); | |||
15487 | } | |||
15488 | return MapperType; | |||
15489 | } | |||
15490 | ||||
15491 | OMPDeclareMapperDecl *Sema::ActOnOpenMPDeclareMapperDirectiveStart( | |||
15492 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, | |||
15493 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, | |||
15494 | Decl *PrevDeclInScope) { | |||
15495 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, | |||
15496 | forRedeclarationInCurContext()); | |||
15497 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
15498 | // A mapper-identifier may not be redeclared in the current scope for the | |||
15499 | // same type or for a type that is compatible according to the base language | |||
15500 | // rules. | |||
15501 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | |||
15502 | OMPDeclareMapperDecl *PrevDMD = nullptr; | |||
15503 | bool InCompoundScope = true; | |||
15504 | if (S != nullptr) { | |||
15505 | // Find previous declaration with the same name not referenced in other | |||
15506 | // declarations. | |||
15507 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | |||
15508 | InCompoundScope = | |||
15509 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | |||
15510 | LookupName(Lookup, S); | |||
15511 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | |||
15512 | /*AllowInlineNamespace=*/false); | |||
15513 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; | |||
15514 | LookupResult::Filter Filter = Lookup.makeFilter(); | |||
15515 | while (Filter.hasNext()) { | |||
15516 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); | |||
15517 | if (InCompoundScope) { | |||
15518 | auto I = UsedAsPrevious.find(PrevDecl); | |||
15519 | if (I == UsedAsPrevious.end()) | |||
15520 | UsedAsPrevious[PrevDecl] = false; | |||
15521 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) | |||
15522 | UsedAsPrevious[D] = true; | |||
15523 | } | |||
15524 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | |||
15525 | PrevDecl->getLocation(); | |||
15526 | } | |||
15527 | Filter.done(); | |||
15528 | if (InCompoundScope) { | |||
15529 | for (const auto &PrevData : UsedAsPrevious) { | |||
15530 | if (!PrevData.second) { | |||
15531 | PrevDMD = PrevData.first; | |||
15532 | break; | |||
15533 | } | |||
15534 | } | |||
15535 | } | |||
15536 | } else if (PrevDeclInScope) { | |||
15537 | auto *PrevDMDInScope = PrevDMD = | |||
15538 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); | |||
15539 | do { | |||
15540 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = | |||
15541 | PrevDMDInScope->getLocation(); | |||
15542 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); | |||
15543 | } while (PrevDMDInScope != nullptr); | |||
15544 | } | |||
15545 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); | |||
15546 | bool Invalid = false; | |||
15547 | if (I != PreviousRedeclTypes.end()) { | |||
15548 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) | |||
15549 | << MapperType << Name; | |||
15550 | Diag(I->second, diag::note_previous_definition); | |||
15551 | Invalid = true; | |||
15552 | } | |||
15553 | auto *DMD = OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, | |||
15554 | MapperType, VN, PrevDMD); | |||
15555 | DC->addDecl(DMD); | |||
15556 | DMD->setAccess(AS); | |||
15557 | if (Invalid) | |||
15558 | DMD->setInvalidDecl(); | |||
15559 | ||||
15560 | // Enter new function scope. | |||
15561 | PushFunctionScope(); | |||
15562 | setFunctionHasBranchProtectedScope(); | |||
15563 | ||||
15564 | CurContext = DMD; | |||
15565 | ||||
15566 | return DMD; | |||
15567 | } | |||
15568 | ||||
15569 | void Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(OMPDeclareMapperDecl *DMD, | |||
15570 | Scope *S, | |||
15571 | QualType MapperType, | |||
15572 | SourceLocation StartLoc, | |||
15573 | DeclarationName VN) { | |||
15574 | VarDecl *VD = buildVarDecl(*this, StartLoc, MapperType, VN.getAsString()); | |||
15575 | if (S) | |||
15576 | PushOnScopeChains(VD, S); | |||
15577 | else | |||
15578 | DMD->addDecl(VD); | |||
15579 | Expr *MapperVarRefExpr = buildDeclRefExpr(*this, VD, MapperType, StartLoc); | |||
15580 | DMD->setMapperVarRef(MapperVarRefExpr); | |||
15581 | } | |||
15582 | ||||
15583 | Sema::DeclGroupPtrTy | |||
15584 | Sema::ActOnOpenMPDeclareMapperDirectiveEnd(OMPDeclareMapperDecl *D, Scope *S, | |||
15585 | ArrayRef<OMPClause *> ClauseList) { | |||
15586 | PopDeclContext(); | |||
15587 | PopFunctionScopeInfo(); | |||
15588 | ||||
15589 | if (D) { | |||
15590 | if (S) | |||
15591 | PushOnScopeChains(D, S, /*AddToContext=*/false); | |||
15592 | D->CreateClauses(Context, ClauseList); | |||
15593 | } | |||
15594 | ||||
15595 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
15596 | } | |||
15597 | ||||
15598 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | |||
15599 | SourceLocation StartLoc, | |||
15600 | SourceLocation LParenLoc, | |||
15601 | SourceLocation EndLoc) { | |||
15602 | Expr *ValExpr = NumTeams; | |||
15603 | Stmt *HelperValStmt = nullptr; | |||
15604 | ||||
15605 | // OpenMP [teams Constrcut, Restrictions] | |||
15606 | // The num_teams expression must evaluate to a positive integer value. | |||
15607 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | |||
15608 | /*StrictlyPositive=*/true)) | |||
15609 | return nullptr; | |||
15610 | ||||
15611 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15612 | OpenMPDirectiveKind CaptureRegion = | |||
15613 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams); | |||
15614 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
15615 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15616 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15617 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15618 | HelperValStmt = buildPreInits(Context, Captures); | |||
15619 | } | |||
15620 | ||||
15621 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | |||
15622 | StartLoc, LParenLoc, EndLoc); | |||
15623 | } | |||
15624 | ||||
15625 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | |||
15626 | SourceLocation StartLoc, | |||
15627 | SourceLocation LParenLoc, | |||
15628 | SourceLocation EndLoc) { | |||
15629 | Expr *ValExpr = ThreadLimit; | |||
15630 | Stmt *HelperValStmt = nullptr; | |||
15631 | ||||
15632 | // OpenMP [teams Constrcut, Restrictions] | |||
15633 | // The thread_limit expression must evaluate to a positive integer value. | |||
15634 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | |||
15635 | /*StrictlyPositive=*/true)) | |||
15636 | return nullptr; | |||
15637 | ||||
15638 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15639 | OpenMPDirectiveKind CaptureRegion = | |||
15640 | getOpenMPCaptureRegionForClause(DKind, OMPC_thread_limit); | |||
15641 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
15642 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15643 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15644 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15645 | HelperValStmt = buildPreInits(Context, Captures); | |||
15646 | } | |||
15647 | ||||
15648 | return new (Context) OMPThreadLimitClause( | |||
15649 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
15650 | } | |||
15651 | ||||
15652 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | |||
15653 | SourceLocation StartLoc, | |||
15654 | SourceLocation LParenLoc, | |||
15655 | SourceLocation EndLoc) { | |||
15656 | Expr *ValExpr = Priority; | |||
15657 | ||||
15658 | // OpenMP [2.9.1, task Constrcut] | |||
15659 | // The priority-value is a non-negative numerical scalar expression. | |||
15660 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_priority, | |||
15661 | /*StrictlyPositive=*/false)) | |||
15662 | return nullptr; | |||
15663 | ||||
15664 | return new (Context) OMPPriorityClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
15665 | } | |||
15666 | ||||
15667 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | |||
15668 | SourceLocation StartLoc, | |||
15669 | SourceLocation LParenLoc, | |||
15670 | SourceLocation EndLoc) { | |||
15671 | Expr *ValExpr = Grainsize; | |||
15672 | ||||
15673 | // OpenMP [2.9.2, taskloop Constrcut] | |||
15674 | // The parameter of the grainsize clause must be a positive integer | |||
15675 | // expression. | |||
15676 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_grainsize, | |||
15677 | /*StrictlyPositive=*/true)) | |||
15678 | return nullptr; | |||
15679 | ||||
15680 | return new (Context) OMPGrainsizeClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
15681 | } | |||
15682 | ||||
15683 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | |||
15684 | SourceLocation StartLoc, | |||
15685 | SourceLocation LParenLoc, | |||
15686 | SourceLocation EndLoc) { | |||
15687 | Expr *ValExpr = NumTasks; | |||
15688 | ||||
15689 | // OpenMP [2.9.2, taskloop Constrcut] | |||
15690 | // The parameter of the num_tasks clause must be a positive integer | |||
15691 | // expression. | |||
15692 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_tasks, | |||
15693 | /*StrictlyPositive=*/true)) | |||
15694 | return nullptr; | |||
15695 | ||||
15696 | return new (Context) OMPNumTasksClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
15697 | } | |||
15698 | ||||
15699 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | |||
15700 | SourceLocation LParenLoc, | |||
15701 | SourceLocation EndLoc) { | |||
15702 | // OpenMP [2.13.2, critical construct, Description] | |||
15703 | // ... where hint-expression is an integer constant expression that evaluates | |||
15704 | // to a valid lock hint. | |||
15705 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | |||
15706 | if (HintExpr.isInvalid()) | |||
15707 | return nullptr; | |||
15708 | return new (Context) | |||
15709 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | |||
15710 | } | |||
15711 | ||||
15712 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | |||
15713 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
15714 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | |||
15715 | SourceLocation EndLoc) { | |||
15716 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | |||
15717 | std::string Values; | |||
15718 | Values += "'"; | |||
15719 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | |||
15720 | Values += "'"; | |||
15721 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
15722 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | |||
15723 | return nullptr; | |||
15724 | } | |||
15725 | Expr *ValExpr = ChunkSize; | |||
15726 | Stmt *HelperValStmt = nullptr; | |||
15727 | if (ChunkSize) { | |||
15728 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
15729 | !ChunkSize->isInstantiationDependent() && | |||
15730 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
15731 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | |||
15732 | ExprResult Val = | |||
15733 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
15734 | if (Val.isInvalid()) | |||
15735 | return nullptr; | |||
15736 | ||||
15737 | ValExpr = Val.get(); | |||
15738 | ||||
15739 | // OpenMP [2.7.1, Restrictions] | |||
15740 | // chunk_size must be a loop invariant integer expression with a positive | |||
15741 | // value. | |||
15742 | llvm::APSInt Result; | |||
15743 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | |||
15744 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | |||
15745 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
15746 | << "dist_schedule" << ChunkSize->getSourceRange(); | |||
15747 | return nullptr; | |||
15748 | } | |||
15749 | } else if (getOpenMPCaptureRegionForClause( | |||
15750 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule) != | |||
15751 | OMPD_unknown && | |||
15752 | !CurContext->isDependentContext()) { | |||
15753 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15754 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15755 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15756 | HelperValStmt = buildPreInits(Context, Captures); | |||
15757 | } | |||
15758 | } | |||
15759 | } | |||
15760 | ||||
15761 | return new (Context) | |||
15762 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | |||
15763 | Kind, ValExpr, HelperValStmt); | |||
15764 | } | |||
15765 | ||||
15766 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | |||
15767 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | |||
15768 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | |||
15769 | SourceLocation KindLoc, SourceLocation EndLoc) { | |||
15770 | // OpenMP 4.5 only supports 'defaultmap(tofrom: scalar)' | |||
15771 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || Kind != OMPC_DEFAULTMAP_scalar) { | |||
15772 | std::string Value; | |||
15773 | SourceLocation Loc; | |||
15774 | Value += "'"; | |||
15775 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | |||
15776 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
15777 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | |||
15778 | Loc = MLoc; | |||
15779 | } else { | |||
15780 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
15781 | OMPC_DEFAULTMAP_scalar); | |||
15782 | Loc = KindLoc; | |||
15783 | } | |||
15784 | Value += "'"; | |||
15785 | Diag(Loc, diag::err_omp_unexpected_clause_value) | |||
15786 | << Value << getOpenMPClauseName(OMPC_defaultmap); | |||
15787 | return nullptr; | |||
15788 | } | |||
15789 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAToFromScalar(StartLoc); | |||
15790 | ||||
15791 | return new (Context) | |||
15792 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | |||
15793 | } | |||
15794 | ||||
15795 | bool Sema::ActOnStartOpenMPDeclareTargetDirective(SourceLocation Loc) { | |||
15796 | DeclContext *CurLexicalContext = getCurLexicalContext(); | |||
15797 | if (!CurLexicalContext->isFileContext() && | |||
15798 | !CurLexicalContext->isExternCContext() && | |||
15799 | !CurLexicalContext->isExternCXXContext() && | |||
15800 | !isa<CXXRecordDecl>(CurLexicalContext) && | |||
15801 | !isa<ClassTemplateDecl>(CurLexicalContext) && | |||
15802 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | |||
15803 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | |||
15804 | Diag(Loc, diag::err_omp_region_not_file_context); | |||
15805 | return false; | |||
15806 | } | |||
15807 | ++DeclareTargetNestingLevel; | |||
15808 | return true; | |||
15809 | } | |||
15810 | ||||
15811 | void Sema::ActOnFinishOpenMPDeclareTargetDirective() { | |||
15812 | assert(DeclareTargetNestingLevel > 0 &&((DeclareTargetNestingLevel > 0 && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("DeclareTargetNestingLevel > 0 && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15813, __PRETTY_FUNCTION__)) | |||
15813 | "Unexpected ActOnFinishOpenMPDeclareTargetDirective")((DeclareTargetNestingLevel > 0 && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("DeclareTargetNestingLevel > 0 && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15813, __PRETTY_FUNCTION__)); | |||
15814 | --DeclareTargetNestingLevel; | |||
15815 | } | |||
15816 | ||||
15817 | NamedDecl * | |||
15818 | Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, CXXScopeSpec &ScopeSpec, | |||
15819 | const DeclarationNameInfo &Id, | |||
15820 | NamedDeclSetType &SameDirectiveDecls) { | |||
15821 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
15822 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
15823 | ||||
15824 | if (Lookup.isAmbiguous()) | |||
15825 | return nullptr; | |||
15826 | Lookup.suppressDiagnostics(); | |||
15827 | ||||
15828 | if (!Lookup.isSingleResult()) { | |||
15829 | VarOrFuncDeclFilterCCC CCC(*this); | |||
15830 | if (TypoCorrection Corrected = | |||
15831 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | |||
15832 | CTK_ErrorRecovery)) { | |||
15833 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | |||
15834 | << Id.getName()); | |||
15835 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | |||
15836 | return nullptr; | |||
15837 | } | |||
15838 | ||||
15839 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | |||
15840 | return nullptr; | |||
15841 | } | |||
15842 | ||||
15843 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | |||
15844 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && | |||
15845 | !isa<FunctionTemplateDecl>(ND)) { | |||
15846 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | |||
15847 | return nullptr; | |||
15848 | } | |||
15849 | if (!SameDirectiveDecls.insert(cast<NamedDecl>(ND->getCanonicalDecl()))) | |||
15850 | Diag(Id.getLoc(), diag::err_omp_declare_target_multiple) << Id.getName(); | |||
15851 | return ND; | |||
15852 | } | |||
15853 | ||||
15854 | void Sema::ActOnOpenMPDeclareTargetName( | |||
15855 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, | |||
15856 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { | |||
15857 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15859, __PRETTY_FUNCTION__)) | |||
15858 | isa<FunctionTemplateDecl>(ND)) &&(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15859, __PRETTY_FUNCTION__)) | |||
15859 | "Expected variable, function or function template.")(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 15859, __PRETTY_FUNCTION__)); | |||
15860 | ||||
15861 | // Diagnose marking after use as it may lead to incorrect diagnosis and | |||
15862 | // codegen. | |||
15863 | if (LangOpts.OpenMP >= 50 && | |||
15864 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) | |||
15865 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); | |||
15866 | ||||
15867 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
15868 | OMPDeclareTargetDeclAttr::getDeviceType(cast<ValueDecl>(ND)); | |||
15869 | if (DevTy.hasValue() && *DevTy != DT) { | |||
15870 | Diag(Loc, diag::err_omp_device_type_mismatch) | |||
15871 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) | |||
15872 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(*DevTy); | |||
15873 | return; | |||
15874 | } | |||
15875 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
15876 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(cast<ValueDecl>(ND)); | |||
15877 | if (!Res) { | |||
15878 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT, DT, | |||
15879 | SourceRange(Loc, Loc)); | |||
15880 | ND->addAttr(A); | |||
15881 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
15882 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | |||
15883 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); | |||
15884 | } else if (*Res != MT) { | |||
15885 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; | |||
15886 | } | |||
15887 | } | |||
15888 | ||||
15889 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | |||
15890 | Sema &SemaRef, Decl *D) { | |||
15891 | if (!D || !isa<VarDecl>(D)) | |||
15892 | return; | |||
15893 | auto *VD = cast<VarDecl>(D); | |||
15894 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | |||
15895 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
15896 | if (SemaRef.LangOpts.OpenMP >= 50 && | |||
15897 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || | |||
15898 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && | |||
15899 | VD->hasGlobalStorage()) { | |||
15900 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | |||
15901 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
15902 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { | |||
15903 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions | |||
15904 | // If a lambda declaration and definition appears between a | |||
15905 | // declare target directive and the matching end declare target | |||
15906 | // directive, all variables that are captured by the lambda | |||
15907 | // expression must also appear in a to clause. | |||
15908 | SemaRef.Diag(VD->getLocation(), | |||
15909 | diag::err_omp_lambda_capture_in_declare_target_not_to); | |||
15910 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) | |||
15911 | << VD << 0 << SR; | |||
15912 | return; | |||
15913 | } | |||
15914 | } | |||
15915 | if (MapTy.hasValue()) | |||
15916 | return; | |||
15917 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); | |||
15918 | SemaRef.Diag(SL, diag::note_used_here) << SR; | |||
15919 | } | |||
15920 | ||||
15921 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | |||
15922 | Sema &SemaRef, DSAStackTy *Stack, | |||
15923 | ValueDecl *VD) { | |||
15924 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || | |||
15925 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | |||
15926 | /*FullCheck=*/false); | |||
15927 | } | |||
15928 | ||||
15929 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | |||
15930 | SourceLocation IdLoc) { | |||
15931 | if (!D || D->isInvalidDecl()) | |||
15932 | return; | |||
15933 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | |||
15934 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); | |||
15935 | if (auto *VD = dyn_cast<VarDecl>(D)) { | |||
15936 | // Only global variables can be marked as declare target. | |||
15937 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && | |||
15938 | !VD->isStaticDataMember()) | |||
15939 | return; | |||
15940 | // 2.10.6: threadprivate variable cannot appear in a declare target | |||
15941 | // directive. | |||
15942 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
15943 | Diag(SL, diag::err_omp_threadprivate_in_target); | |||
15944 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | |||
15945 | return; | |||
15946 | } | |||
15947 | } | |||
15948 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) | |||
15949 | D = FTD->getTemplatedDecl(); | |||
15950 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | |||
15951 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
15952 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); | |||
15953 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { | |||
15954 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | |||
15955 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | |||
15956 | return; | |||
15957 | } | |||
15958 | // Mark the function as must be emitted for the device. | |||
15959 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
15960 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
15961 | if (LangOpts.OpenMPIsDevice && Res.hasValue() && IdLoc.isValid() && | |||
15962 | *DevTy != OMPDeclareTargetDeclAttr::DT_Host) | |||
15963 | checkOpenMPDeviceFunction(IdLoc, FD, /*CheckForDelayedContext=*/false); | |||
15964 | if (!LangOpts.OpenMPIsDevice && Res.hasValue() && IdLoc.isValid() && | |||
15965 | *DevTy != OMPDeclareTargetDeclAttr::DT_NoHost) | |||
15966 | checkOpenMPHostFunction(IdLoc, FD, /*CheckCaller=*/false); | |||
15967 | } | |||
15968 | if (auto *VD = dyn_cast<ValueDecl>(D)) { | |||
15969 | // Problem if any with var declared with incomplete type will be reported | |||
15970 | // as normal, so no need to check it here. | |||
15971 | if ((E || !VD->getType()->isIncompleteType()) && | |||
15972 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) | |||
15973 | return; | |||
15974 | if (!E && !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | |||
15975 | // Checking declaration inside declare target region. | |||
15976 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | |||
15977 | isa<FunctionTemplateDecl>(D)) { | |||
15978 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
15979 | Context, OMPDeclareTargetDeclAttr::MT_To, | |||
15980 | OMPDeclareTargetDeclAttr::DT_Any, SourceRange(IdLoc, IdLoc)); | |||
15981 | D->addAttr(A); | |||
15982 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
15983 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
15984 | } | |||
15985 | return; | |||
15986 | } | |||
15987 | } | |||
15988 | if (!E) | |||
15989 | return; | |||
15990 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | |||
15991 | } | |||
15992 | ||||
15993 | OMPClause *Sema::ActOnOpenMPToClause(ArrayRef<Expr *> VarList, | |||
15994 | CXXScopeSpec &MapperIdScopeSpec, | |||
15995 | DeclarationNameInfo &MapperId, | |||
15996 | const OMPVarListLocTy &Locs, | |||
15997 | ArrayRef<Expr *> UnresolvedMappers) { | |||
15998 | MappableVarListInfo MVLI(VarList); | |||
15999 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, | |||
16000 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | |||
16001 | if (MVLI.ProcessedVarList.empty()) | |||
16002 | return nullptr; | |||
16003 | ||||
16004 | return OMPToClause::Create( | |||
16005 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
16006 | MVLI.VarComponents, MVLI.UDMapperList, | |||
16007 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | |||
16008 | } | |||
16009 | ||||
16010 | OMPClause *Sema::ActOnOpenMPFromClause(ArrayRef<Expr *> VarList, | |||
16011 | CXXScopeSpec &MapperIdScopeSpec, | |||
16012 | DeclarationNameInfo &MapperId, | |||
16013 | const OMPVarListLocTy &Locs, | |||
16014 | ArrayRef<Expr *> UnresolvedMappers) { | |||
16015 | MappableVarListInfo MVLI(VarList); | |||
16016 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, | |||
16017 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | |||
16018 | if (MVLI.ProcessedVarList.empty()) | |||
16019 | return nullptr; | |||
16020 | ||||
16021 | return OMPFromClause::Create( | |||
16022 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
16023 | MVLI.VarComponents, MVLI.UDMapperList, | |||
16024 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | |||
16025 | } | |||
16026 | ||||
16027 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | |||
16028 | const OMPVarListLocTy &Locs) { | |||
16029 | MappableVarListInfo MVLI(VarList); | |||
16030 | SmallVector<Expr *, 8> PrivateCopies; | |||
16031 | SmallVector<Expr *, 8> Inits; | |||
16032 | ||||
16033 | for (Expr *RefExpr : VarList) { | |||
16034 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")((RefExpr && "NULL expr in OpenMP use_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16034, __PRETTY_FUNCTION__)); | |||
16035 | SourceLocation ELoc; | |||
16036 | SourceRange ERange; | |||
16037 | Expr *SimpleRefExpr = RefExpr; | |||
16038 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
16039 | if (Res.second) { | |||
16040 | // It will be analyzed later. | |||
16041 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
16042 | PrivateCopies.push_back(nullptr); | |||
16043 | Inits.push_back(nullptr); | |||
16044 | } | |||
16045 | ValueDecl *D = Res.first; | |||
16046 | if (!D) | |||
16047 | continue; | |||
16048 | ||||
16049 | QualType Type = D->getType(); | |||
16050 | Type = Type.getNonReferenceType().getUnqualifiedType(); | |||
16051 | ||||
16052 | auto *VD = dyn_cast<VarDecl>(D); | |||
16053 | ||||
16054 | // Item should be a pointer or reference to pointer. | |||
16055 | if (!Type->isPointerType()) { | |||
16056 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | |||
16057 | << 0 << RefExpr->getSourceRange(); | |||
16058 | continue; | |||
16059 | } | |||
16060 | ||||
16061 | // Build the private variable and the expression that refers to it. | |||
16062 | auto VDPrivate = | |||
16063 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
16064 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
16065 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
16066 | if (VDPrivate->isInvalidDecl()) | |||
16067 | continue; | |||
16068 | ||||
16069 | CurContext->addDecl(VDPrivate); | |||
16070 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
16071 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
16072 | ||||
16073 | // Add temporary variable to initialize the private copy of the pointer. | |||
16074 | VarDecl *VDInit = | |||
16075 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | |||
16076 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( | |||
16077 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); | |||
16078 | AddInitializerToDecl(VDPrivate, | |||
16079 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
16080 | /*DirectInit=*/false); | |||
16081 | ||||
16082 | // If required, build a capture to implement the privatization initialized | |||
16083 | // with the current list item value. | |||
16084 | DeclRefExpr *Ref = nullptr; | |||
16085 | if (!VD) | |||
16086 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
16087 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | |||
16088 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
16089 | Inits.push_back(VDInitRefExpr); | |||
16090 | ||||
16091 | // We need to add a data sharing attribute for this variable to make sure it | |||
16092 | // is correctly captured. A variable that shows up in a use_device_ptr has | |||
16093 | // similar properties of a first private variable. | |||
16094 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
16095 | ||||
16096 | // Create a mappable component for the list item. List items in this clause | |||
16097 | // only need a component. | |||
16098 | MVLI.VarBaseDeclarations.push_back(D); | |||
16099 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
16100 | MVLI.VarComponents.back().push_back( | |||
16101 | OMPClauseMappableExprCommon::MappableComponent(SimpleRefExpr, D)); | |||
16102 | } | |||
16103 | ||||
16104 | if (MVLI.ProcessedVarList.empty()) | |||
16105 | return nullptr; | |||
16106 | ||||
16107 | return OMPUseDevicePtrClause::Create( | |||
16108 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, | |||
16109 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | |||
16110 | } | |||
16111 | ||||
16112 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | |||
16113 | const OMPVarListLocTy &Locs) { | |||
16114 | MappableVarListInfo MVLI(VarList); | |||
16115 | for (Expr *RefExpr : VarList) { | |||
16116 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")((RefExpr && "NULL expr in OpenMP is_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP is_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16116, __PRETTY_FUNCTION__)); | |||
16117 | SourceLocation ELoc; | |||
16118 | SourceRange ERange; | |||
16119 | Expr *SimpleRefExpr = RefExpr; | |||
16120 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
16121 | if (Res.second) { | |||
16122 | // It will be analyzed later. | |||
16123 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
16124 | } | |||
16125 | ValueDecl *D = Res.first; | |||
16126 | if (!D) | |||
16127 | continue; | |||
16128 | ||||
16129 | QualType Type = D->getType(); | |||
16130 | // item should be a pointer or array or reference to pointer or array | |||
16131 | if (!Type.getNonReferenceType()->isPointerType() && | |||
16132 | !Type.getNonReferenceType()->isArrayType()) { | |||
16133 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | |||
16134 | << 0 << RefExpr->getSourceRange(); | |||
16135 | continue; | |||
16136 | } | |||
16137 | ||||
16138 | // Check if the declaration in the clause does not show up in any data | |||
16139 | // sharing attribute. | |||
16140 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
16141 | if (isOpenMPPrivate(DVar.CKind)) { | |||
16142 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
16143 | << getOpenMPClauseName(DVar.CKind) | |||
16144 | << getOpenMPClauseName(OMPC_is_device_ptr) | |||
16145 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
16146 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
16147 | continue; | |||
16148 | } | |||
16149 | ||||
16150 | const Expr *ConflictExpr; | |||
16151 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
16152 | D, /*CurrentRegionOnly=*/true, | |||
16153 | [&ConflictExpr]( | |||
16154 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | |||
16155 | OpenMPClauseKind) -> bool { | |||
16156 | ConflictExpr = R.front().getAssociatedExpression(); | |||
16157 | return true; | |||
16158 | })) { | |||
16159 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | |||
16160 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | |||
16161 | << ConflictExpr->getSourceRange(); | |||
16162 | continue; | |||
16163 | } | |||
16164 | ||||
16165 | // Store the components in the stack so that they can be used to check | |||
16166 | // against other clauses later on. | |||
16167 | OMPClauseMappableExprCommon::MappableComponent MC(SimpleRefExpr, D); | |||
16168 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | |||
16169 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | |||
16170 | ||||
16171 | // Record the expression we've just processed. | |||
16172 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | |||
16173 | ||||
16174 | // Create a mappable component for the list item. List items in this clause | |||
16175 | // only need a component. We use a null declaration to signal fields in | |||
16176 | // 'this'. | |||
16177 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16179, __PRETTY_FUNCTION__)) | |||
16178 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16179, __PRETTY_FUNCTION__)) | |||
16179 | "Unexpected device pointer expression!")(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16179, __PRETTY_FUNCTION__)); | |||
16180 | MVLI.VarBaseDeclarations.push_back( | |||
16181 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | |||
16182 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
16183 | MVLI.VarComponents.back().push_back(MC); | |||
16184 | } | |||
16185 | ||||
16186 | if (MVLI.ProcessedVarList.empty()) | |||
16187 | return nullptr; | |||
16188 | ||||
16189 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, | |||
16190 | MVLI.VarBaseDeclarations, | |||
16191 | MVLI.VarComponents); | |||
16192 | } | |||
16193 | ||||
16194 | OMPClause *Sema::ActOnOpenMPAllocateClause( | |||
16195 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
16196 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
16197 | if (Allocator) { | |||
16198 | // OpenMP [2.11.4 allocate Clause, Description] | |||
16199 | // allocator is an expression of omp_allocator_handle_t type. | |||
16200 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
16201 | return nullptr; | |||
16202 | ||||
16203 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); | |||
16204 | if (AllocatorRes.isInvalid()) | |||
16205 | return nullptr; | |||
16206 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), | |||
16207 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | |||
16208 | Sema::AA_Initializing, | |||
16209 | /*AllowExplicit=*/true); | |||
16210 | if (AllocatorRes.isInvalid()) | |||
16211 | return nullptr; | |||
16212 | Allocator = AllocatorRes.get(); | |||
16213 | } else { | |||
16214 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. | |||
16215 | // allocate clauses that appear on a target construct or on constructs in a | |||
16216 | // target region must specify an allocator expression unless a requires | |||
16217 | // directive with the dynamic_allocators clause is present in the same | |||
16218 | // compilation unit. | |||
16219 | if (LangOpts.OpenMPIsDevice && | |||
16220 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | |||
16221 | targetDiag(StartLoc, diag::err_expected_allocator_expression); | |||
16222 | } | |||
16223 | // Analyze and build list of variables. | |||
16224 | SmallVector<Expr *, 8> Vars; | |||
16225 | for (Expr *RefExpr : VarList) { | |||
16226 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-10~svn373517/tools/clang/lib/Sema/SemaOpenMP.cpp" , 16226, __PRETTY_FUNCTION__)); | |||
16227 | SourceLocation ELoc; | |||
16228 | SourceRange ERange; | |||
16229 | Expr *SimpleRefExpr = RefExpr; | |||
16230 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
16231 | if (Res.second) { | |||
16232 | // It will be analyzed later. | |||
16233 | Vars.push_back(RefExpr); | |||
16234 | } | |||
16235 | ValueDecl *D = Res.first; | |||
16236 | if (!D) | |||
16237 | continue; | |||
16238 | ||||
16239 | auto *VD = dyn_cast<VarDecl>(D); | |||
16240 | DeclRefExpr *Ref = nullptr; | |||
16241 | if (!VD && !CurContext->isDependentContext()) | |||
16242 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
16243 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
16244 | ? RefExpr->IgnoreParens() | |||
16245 | : Ref); | |||
16246 | } | |||
16247 | ||||
16248 | if (Vars.empty()) | |||
16249 | return nullptr; | |||
16250 | ||||
16251 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, | |||
16252 | ColonLoc, EndLoc, Vars); | |||
16253 | } |